NO DISCOUNTS AVAILIBLE

Engine Specifications:
• HP: 475
• TQ: 430
• Block: New GM 5.3L Aluminum
• Bore/Stroke: 3.780”x 3.622
• Displacement (cu.in): 323
• Crankshaft: OEM GM 58 tooth reluctor wheel
• Rods: Stock GM
• Pistons: Hypereutectic Flat Top 9.9:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 223/231 @50 .610/.617 112LSA COMP CAM #54-457-11
• Cylinder Heads: OE 799 or 243 aluminum 65cc 2.000”/1.575” valves
• Rocker Arms: OE powdered metal 1.7 ratio

Recommended Components:
• Oil- 5W30
• Fuel System – OE EFI System
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- Stock Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Spark Plug- Stock
• Spark Plug Gap- .035”
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Firing Order- Stock
• Fuel – 91 Octane
• Recommended Stall Converter- 2200+ based on application
• Headers- 1 7/8” depending on application

Notes: This engine is a brand new GM 5.3L that GM built for 2005-2009 Trucks and SUV’s. ATK did a camshaft and valve spring upgrade along with AFM/DOD delete. For optimal Performance you will need headers, chassis dyno tune (required) and upgraded injectors. If you are using this as a swap for a vehicle mentioned above, the AFM/DOD will have to be turned off in the ECM. Power figures may vary depending on which induction system is used. Dyno figures are based on using a 750CFM carburetor and Vic Jr. intake manifold with 1 7/8 headers.

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 Chevy HPLC9N 5.3L Engine 475HP/435TQ 58 Tooth appeared first on ATK High Performance Engine.

NO DISCOUNTS AVAILIBLE

Engine Specifications:
• HP: 475
• TQ: 430
• Block: New GM 5.3L Aluminum
• Bore/Stroke: 3.780”x 3.622
• Displacement (cu.in): 323
• Crankshaft: OEM GM 24 tooth reluctor wheel
• Rods: Stock GM
• Pistons: Hypereutectic Flat Top 9.9:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 223/231 @50 .610/.617 112LSA COMP CAM #54-457-11
• Cylinder Heads: OE 799 or 243 aluminum 65cc 2.000”/1.575” valves
• Rocker Arms: OE powdered metal 1.7 ratio

Recommended Components:
• Oil- 5W30
• Fuel System – OE EFI System
• Intake – Stock Fuel Injected or Aftermarket
• Balancer- Stock Internally Balanced
• Flex plate/Flywheel- Stock Internally Balanced
• Spark Plug- Stock
• Spark Plug Gap- .035”
• Timing- Set to Factory Specifications Via PCM Module (Tune Required)
• Firing Order- Stock
• Fuel – 91 Octane
• Recommended Stall Converter- 2200+ based on application
• Headers- 1 7/8” depending on application

Notes: This engine is a brand new GM 5.3L that GM built for 2005-2009 Trucks and SUV’s. ATK did a camshaft and valve spring upgrade along with AFM/DOD delete. For optimal Performance you will need headers, chassis dyno tune (required) and upgraded injectors. If you are using this as a swap for a vehicle mentioned above, the AFM/DOD will have to be turned off in the ECM. Power figures may vary depending on which induction system is used. Dyno figures are based on using a 750CFM carburetor and Vic Jr. intake manifold with 1 7/8 headers.

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 Chevy HPLH6N 5.3L Engine 475HP/435TQ (Copy) appeared first on ATK High Performance Engine.

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2800
• Exhaust: 1 5/8 Headers

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 HP94CPOL Chevy 383 Stroker Complete Engine 415HP appeared first on ATK High Performance Engine.

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2800
• Exhaust: 1 5/8 Headers

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 HP89CPOL Chevy 350 Complete Engine 390HP appeared first on ATK High Performance Engine.

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2800
• Exhaust: 1 5/8 Headers

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 HP94CBLK Chevy 383 Stroker Complete Engine 415HP appeared first on ATK High Performance Engine.

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2800
• Exhaust: 1 5/8 Headers

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 HP89CBLK Chevy 350 Complete Engine 390HP appeared first on ATK High Performance Engine.

Engine Specifications:

• Block: 100% New ATK Block 1pc Seal
• Bore/Stroke: 4.000” x 3.750”
• Displacement: 377CI
• Crankshaft: Scat 4340 forged external balance rear of the crank/internal balance front of the crank
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: 2618 Forged -5cc flat top
• Compression Ratios: 58cc = 11.9:1 / 64cc = 11.1:1 / 70cc = 10.3:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed
• Flexplate/Flywheel: External balance 168 tooth (with Scat kit)

Recommended Components:
• Balancer: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• 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 SP53NB 100% New CHEVY 377CI Stroker Forged -5cc Flat Top Pistons appeared first on ATK High Performance Engine.

Engine Specifications:

• Block: 100% New American Made Block 1pc Seal
• Bore/Stroke: 4.000” x 3.750”
• Displacement: 377CI
• Crankshaft: Scat 4340 forged external balance rear of the crank/internal balance front of the crank
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: 2618 Forged -16cc dished with 2 valve reliefs
• Compression Ratios: 58cc = 10.4:1 / 64cc = 9.8:1 / 70cc = 9.2:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed
• Flexplate/Flywheel: External balance 168 tooth (with Scat kit)

Recommended Components:
• Balancer: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• 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 SP35NB 100% New CHEVY 377CI Stroker Forged -16cc Dished Pistons appeared first on ATK High Performance Engine.

Recommended Components:
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: Weiand stealth dual plane #8150
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump
• Carburetor: Quick Fuel 680CFM Vacuum secondary’s electric choke #HR-680
• Fuel Pump: Holley mechanical 110GPH #12-327-11
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2500+
• Exhaust: 1 ¾ Headers

Notes: This engine WILL NOT produce enough vacuum for power brakes.

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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 HP101 Chevy 383 Stroker Base Engine 460HP appeared first on ATK High Performance Engine.

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Conventional / 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 SP45 Chevy 598 Short Block Flat Top Pistons appeared first on ATK High Performance Engine.