Engine Specifications:
• HP: 650 (Naturally Aspirated)
• TQ: 590 (Naturally Aspirated)
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125″ x 4.000″
• Displacement (cu.in): 427
• Crankshaft: Dart Billet 4.000″ Stroke Internally Balanced 58 Tooth 6 Bolt
• Rods: Manley H Tuff H Beams 4340 Forged 6.125″ ARP 2000 Bolts
• Pistons: JE Ultra Dished 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Compression Ratio: 10.2:1
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Camshaft: Hyd. roller
• Cam Specs: Custom ATK Grind
• Cylinder Heads: Frankenstein M311 72cc/273cc with Black Nitride Stainless Steel Severe Duty Valves, Titanium Retainers and PAC .700″ lift Springs
• Head Fasteners: ARP Head Studs
• Head Gaskets: Cometic MLX
• Lifters: Johnson 2116LSR Link Bar
• Rocker Arms: OE powdered metal 1.7 ratio with Trunnion Upgrade
• Oil Pump: Melling 10295 Standard Volume High Pressure

Recommended Components:
• Oil- 20W50
• Oil Filter: Wix
• Fuel System – OE EFI System or Aftermarket
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- SFI Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Spark Plug: NGK BR7
• Tuning: Chassis dyno tune required
• Firing Order- Stock
• Fuel – 91+ Octane
• Recommended Stall Converter- 2800+ based on application
• Headers- 1 7/8”+ depending on application

Notes: This engine is built to handle up to 25PSI of Boost from either a Turbo or Super Charger.

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley H Tuff H Beam Connecting Rods – Manley’s H Tuff Rods have become the benchmark for fully machined high end connecting rods in the performance industry. These Rods include double-ribbed pin surround and increased cross sectional thickness in critical areas; for a connecting rod that will handle higher boost and horsepower levels than a standard H Beam Rod.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Clevite H Bearings – These bearings were primarily developed for Nascar racing, but are well suited for High Performance applications as well. They’re especially good for high revving engines and getting the exact clearances needed with consistency.
• Frankenstein M311 – The Monster Series is the first threshold into HP creation far beyond any OEM head. Frankenstein introduced another level of horsepower when The Monster was brought to life. FED poured our arsenal of precision engineering into a common cylinder head and woke the industry. Intake and exhaust chambers are 5-Axis CNC ported with our latest high-performance program, meticulously hand blended and deburred. Our strict quality control processes ensure extreme attention to detail and precise tolerances. High quality components include FED’s premier stainless steel sever duty valves, custom PAC .700″ lift valve springs, titanium retainers, bronze guedes and hi temp silicone exhaust o-ring gaskets.
• Johnson Link Bar Lifters – 100% American made, Johnson leads the way in quality and performance when it comes to lifters.
• ARP Head Studs – For ultimate clamping force under high boost!
• Suitable for a Supercharger, Single or Twin Turbo applications!
  
• Upgrades and Custom Builds Available.

The post ATK HPE427B Dart LS Next Boost 427CI 1500HP Rated Long Block appeared first on ATK High Performance Engine.

Engine Specifications:
• HP: 660 (Naturally Aspirated)
• TQ: 580 (Naturally Aspirated)
• Block: New GM LS3 with ARP Main Studs
• Bore/Stroke: 4.065″ x 4.000″
• Displacement (cu.in): 416
• Crankshaft: Manley 4.000″ Stroke Internally Balanced 58 Tooth
• Rods: Manley H Beams 4340 Forged 6.125″ ARP 2000 Bolts
• Pistons: Manley 2618 Forged
• Compression Ratio: 10.3:1
• Rings: Total Seal CS AP with Steel Top Ring
• Camshaft: Hyd. roller
• Cam Specs: Custom ATK Grind
• Cylinder Heads: Frankenstein M311 72cc/273cc with Black Nitride Stainless Steel Severe Duty Valves, Titanium Retainers and PAC .700″ lift Springs
• Head Fasteners: ARP Head Studs
• Head Gaskets: Cometic MLX
• Lifters: Johnson 2116LSR Link Bar
• Rocker Arms: OE powdered metal 1.7 ratio with Trunnion Upgrade
• Oil Pump: Melling

Recommended Components:
• Oil- 20W50
• Oil Filter: Wix
• Fuel System – OE EFI System or Aftermarket
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- SFI Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Spark Plug: NGK BR7
• Tuning: Chassis dyno tune required
• Firing Order- Stock
• Fuel – 91+ Octane
• Recommended Stall Converter- 2800+ based on application
• Headers- 1 7/8”+ depending on application

Notes: This engine is built to handle up to 20PSI of Boost from either a Turbo or Super Charger.

The post ATK HPE416B LS3 Boost Ready 416CI 660HP Long Block appeared first on ATK High Performance Engine.

Engine Specifications:
• HP: 720 (Naturally Aspirated)
• TQ: 615 (Naturally Aspirated)
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125″ x 4.000″
• Displacement (cu.in): 427
• Crankshaft: Manley 4.000″ Stroke Internally Balanced 58 Tooth
• Rods: Manley H Beams 4340 Forged 6.125″ ARP 8740 Bolts
• Pistons: SRP 4032 Forged Skirt Coated
• Compression Ratio: 11:1
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Camshaft: Hyd. roller
• Cam Specs: Custom ATK Grind
• Cylinder Heads: Frankenstein M311 72cc/273cc with Black Nitride Stainless Steel Severe Duty Valves, Titanium Retainers and PAC .700″ lift Springs
• Head Fasteners: ARP Head Bolts
• Head Gaskets: Cometic MLX
• Lifters: Johnson 2116LSR Link Bar
• Rocker Arms: OE powdered metal 1.7 ratio with Trunnion Upgrade
• Oil Pump: Melling 10295 Standard Volume High Pressure

Recommended Components:
• Oil- 20W50
• Oil Filter: Wix
• Fuel System – OE EFI System or Aftermarket
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- SFI Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Spark Plug: NGK BR7
• Tuning: Chassis dyno tune required
• Firing Order- Stock
• Fuel – 91+ Octane
• Recommended Stall Converter- 2800+ based on application
• Headers- 1 7/8”+ depending on application

Notes: This engine is built to handle up to 25PSI of Boost from either a Turbo or Super Charger.

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Manley 4340 Forged Crankshaft – Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.
• Manley H Beam Connecting Rods – When it comes to H-Beam connecting rods, not all are created equal. Manley’s H-Beam Series stands out as a superior choice, offering exceptional quality at an economical price point. These connecting rods are meticulously crafted to meet the same high-quality standards as our renowned Sportsmaster® and Pro Series rods.
• JE/SRP Pistons- SRP Professional pistons combine forged piston durability with modern performance technology for an extremely capable forged piston kit that doesn’t break the bank. Forged from 4032 aluminum, SPR Pro pistons experience minimal thermal expansion, making them perfect for a high-performance, reliable engine build from the track to the drag strip. All SRP Pro pistons include premium ring sets, wrist pins and locks. As with all JE Pistons products, SRP pistons are made 100% in the USA.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Clevite H Bearings – These bearings were primarily developed for Nascar racing, but are well suited for High Performance applications as well. They’re especially good for high revving engines and getting the exact clearances needed with consistency.
• Frankenstein M311 – The Monster Series is the first threshold into HP creation far beyond any OEM head. Frankenstein introduced another level of horsepower when The Monster was brought to life. FED poured our arsenal of precision engineering into a common cylinder head and woke the industry. Intake and exhaust chambers are 5-Axis CNC ported with our latest high-performance program, meticulously hand blended and deburred. Our strict quality control processes ensure extreme attention to detail and precise tolerances. High quality components include FED’s premier stainless steel sever duty valves, custom PAC .700″ lift valve springs, titanium retainers, bronze guedes and hi temp silicone exhaust o-ring gaskets.
• Johnson Link Bar Lifters – 100% American made, Johnson leads the way in quality and performance when it comes to lifters.
• ARP Head Studs – For ultimate clamping force under high boost!
  
• Upgrades and Custom Builds Available.

The post ATK HPE427NA Dart LS Next 427CI 720HP Long Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 3.622”
• Displacement (cu.in): 388 CID
• Crankshaft: Dart Billet 58 tooth reluctor wheel
• Rods: Manley Pro Series I Beams 4340 Forged 6.125″ ARP 2000 Bolts
• Pistons: JE Ultra Flat Top 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Bearings: Calico Coated Clevite H Series
• Compression Ratios: 66cc= 10.65:1 / 68cc= 10.4:1 / 70cc= 10.2:1 (with .051″ gasket)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 20W50 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Oil Pump: Melling 10296 with red spring

Features & Benefits

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley Pro Series I Beam Connecting Rods – Manley’s Pro Series I Beam Rods have become the benchmark for fully machined/billet style high end connecting rods in the performance industry. These Rods have a heavier beam for forced induction applications.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Calico Coated Bearings – This dry film lubricant helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt. It is specifically engineered to withstand the extreme conditions of High Performance engines!
• Suitable for a Single or Twin Turbo application!
• Custom builds available!

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SPE3881800 Dart LS Next 388CI 1800HP Rated Short Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 4.000”
• Displacement (cu.in): 427 CID
• Crankshaft: Dart Billet 58 tooth reluctor wheel
• Rods: Manley Pro Series I Beam 6.125” ARP 2000 bolts
• Pistons: JE Ultra Flat Top 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Bearings: Calico Coated Clevite H Series
• Compression Ratios: 66cc= 10.4:1 / 68cc= 10.2:1 / 70cc= 10.0:1 (with .044″ gasket)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 20W50 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Oil Pump: Melling 10296 with red spring

Features & Benefits

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley Pro Series I Beam Connecting Rods – Manley’s Pro Series I Beam Rods have become the benchmark for fully machined/billet style high end connecting rods in the performance industry. These Rods have a heavier beam for forced induction applications.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Calico Coated Bearings – This dry film lubricant helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt. It is specifically engineered to withstand the extreme conditions of High Performance engines!
• Suitable for a Single or Twin Turbo application!
• Custom builds available!

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SPE4271800 Dart LS Next 427CI 1800HP Rated Short Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 4.000”
• Displacement (cu.in): 427 CID
• Crankshaft: Dart Billet 58 tooth reluctor wheel
• Rods: Manley H Tuff H Beam 6.125” ARP 2000 bolts
• Pistons: JE Ultra Flat Top 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Compression Ratios: 66cc= 10.4:1 / 68cc= 10.2:1 / 70cc= 10.0:1 (with .044″ gasket)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 20W50 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Oil Pump: Melling 10296 with red spring

Feature & Benefits

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley H Tuff H Beam Connecting Rods – Manley’s H Tuff Rods have become the benchmark for fully machined high end connecting rods in the performance industry. These Rods include double-ribbed pin surround and increased cross sectional thickness in critical areas; for a connecting rod that will handle higher boost and horsepower levels than a standard H Beam Rod.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Clevite H Bearings – These bearings were primarily developed for Nascar racing, but are well suited for High Performance applications as well. They’re especially good for high revving engines and getting the exact clearances needed with consistency.
• Suitable for a Single or Twin Turbo application!
• Custom builds available!

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SPE4271500 Dart LS Next 427CI 1500HP Rated Short Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 3.622”
• Displacement (cu.in): 388 CID
• Crankshaft: Dart Billet 58 tooth reluctor wheel
• Rods: Manley H Tuff 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: JE Ultra Flat Top 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Compression Ratios: 66cc= 10.65:1 / 68cc= 10.4:1 / 70cc= 10.2:1 (with .051″ gasket)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 20W50 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Oil Pump: Melling 10296 with red spring

Feature & Benefits

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley H Tuff H Beam Connecting Rods – Manley’s H Tuff Rods have become the benchmark for fully machined high end connecting rods in the performance industry. These Rods include double-ribbed pin surround and increased cross sectional thickness in critical areas; for a connecting rod that will handle higher boost and horsepower levels than a standard H Beam Rod.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Clevite H Bearings – These bearings were primarily developed for Nascar racing, but are well suited for High Performance applications as well. They’re especially good for high revving engines and getting the exact clearances needed with consistency.
• Suitable for a Single or Twin Turbo application!
• Custom builds available!

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SPE3881500 Dart LS Next 388CI 1500HP Rated Short Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 4.125”
• Displacement (cu.in): 441 CID
• Crankshaft: Scat 4340 forged 58 tooth reluctor wheel
• Rods: Scat 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: 2618 forged +22cc dished moly skirt coated
• Rings: Steel Top Ring with Napier 2nd Ring Set
• Compression Ratios: 66cc = 10.1:1 / 68cc = 9.9:1 / 70cc = 9.8:1 (can vary due to deck height/gasket thickness)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 10W40 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP100 Dart SHP LS Next 441CI Short Block appeared first on ATK High Performance Engine.

Engine Specifications:
• Block: New GM L92/LS3 Aluminum
• Year Range: 2007-2013
• Bore/Stroke: 4.065” x 4.000”
• Displacement (cu.in): 415
• Crankshaft: Manley 4340 forged 58 tooth reluctor wheel
• Rods: Manley 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: Manley 2618 forged -10cc dished moly skirt coated
• Rings: Total Seal CS AP Rings with Steel Top Ring
• Compression Ratios: 64cc = 11:1 / 68cc = 10.6:1 / 72cc = 10.2:1 (can vary due to deck height/gasket thickness)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 10W40 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Notes:
•DOD holes are NOT plugged. If your application does not require DOD/AFM you must plug the oil fill holes. Failure to do so will cause an internal oil leak causing low oil pressure problems.

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP71-B LS3 415CI Stroker Short Block -10cc Dish Pistons 58 Tooth Boost/Nitrous Ready appeared first on ATK High Performance Engine.

Engine Specifications:
• HP: 645 (Naturally Aspirated)
• TQ: 540 (Naturally Aspirated)
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125″ x 3.622″
• Displacement (cu.in): 388
• Crankshaft: Manley Dart Billet 3.622″ Stroke Internally Balanced 58 Tooth 6 Bolt
• Rods: Manley H Tuff H Beams 4340 Forged 6.125″ ARP 2000 Bolts
• Pistons: JE Ultra Flat Top 2618 Forged with Thermal Coating, Lateral Gas Ports, .200″ Pin
• Compression Ratio: 10:1
• Rings: JE Pro Seal with Carbon Steel Top Ring
• Camshaft: Hyd. roller
• Cam Specs: Custom ATK Grind
• Cylinder Heads: Frankenstein M311 72cc/273cc with Black Nitride Stainless Steel Severe Duty Valves, Titanium Retainers and PAC .700″ lift Springs
• Head Fasteners: ARP Head Studs
• Head Gaskets: Cometic MLX
• Lifters: Johnson 2116LSR Link Bar
• Rocker Arms: OE powdered metal 1.7 ratio with Trunnion Upgrade
• Oil Pump: Melling 10295 Standard Volume High Pressure

Recommended Components:
• Oil- 20W50
• Oil Filter: Wix
• Fuel System – OE EFI System or Aftermarket
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- SFI Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Spark Plug: NGK BR7
• Tuning: Chassis dyno tune required
• Firing Order- Stock
• Fuel – 91+ Octane
• Recommended Stall Converter- 2800+ based on application
• Headers- 1 7/8”+ depending on application

Notes: This engine is built to handle up to 25PSI of Boost from either a Turbo or Super Charger.

• Dart LS Next SHP Skirted Block – The Dart block features a full skirt design with a priority main oiling system, steel four bolt main caps and is setup to run a 4 or 6 bolt cylinder head.
• Dart BILLET Crankshaft – The Dart Billet crankshafts are proven to handle over 2000HP and outfitted with Center Counter Weights. The CCW not only add material and strength to the center of the crank, but they also add balance and stability that counters the jump rope effect under high RPM and increased power.
• Manley H Tuff H Beam Connecting Rods – Manley’s H Tuff Rods have become the benchmark for fully machined high end connecting rods in the performance industry. These Rods include double-ribbed pin surround and increased cross sectional thickness in critical areas; for a connecting rod that will handle higher boost and horsepower levels than a standard H Beam Rod.
• JE Ultra Series Pistons – The Ultra line combines all the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick – wall wrist pins and a new forging technology for the ultimate strength. They are specifically designed for Massive Power and Boost right out of the box.
• JE Pro Steel Rings – The JE Pro Steel Rings are designed to maximize horsepower through precision sealing of combustion pressure. This ring pack will have a carbon steel top ring for high boost applications.
• Clevite H Bearings – These bearings were primarily developed for Nascar racing, but are well suited for High Performance applications as well. They’re especially good for high revving engines and getting the exact clearances needed with consistency.
• Frankenstein M311 – The Monster Series is the first threshold into HP creation far beyond any OEM head. Frankenstein introduced another level of horsepower when The Monster was brought to life. FED poured our arsenal of precision engineering into a common cylinder head and woke the industry. Intake and exhaust chambers are 5-Axis CNC ported with our latest high-performance program, meticulously hand blended and deburred. Our strict quality control processes ensure extreme attention to detail and precise tolerances. High quality components include FED’s premier stainless steel sever duty valves, custom PAC .700″ lift valve springs, titanium retainers, bronze guedes and hi temp silicone exhaust o-ring gaskets.
• Johnson Link Bar Lifters – 100% American made, Johnson leads the way in quality and performance when it comes to lifters.
• ARP Head Studs – For ultimate clamping force under high boost!
• Suitable for a Supercharger, Single or Twin Turbo applications!
  
• Upgrades and Custom Builds Available.

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