SBC Engines - ATK High Performance Engine

ATK HP107M Chevy 383 Stroker Mid Dress Engine 525HP

highperforman3 — Thu, 25 May 2023 15:47:02 +0000

Engine Specifications:
• HP: 525
• TQ: 515
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040 x 3.750
• Displacement: 383
• Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: Forged 10.2:1` compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 246/250 @50 .603in/.609ex 110LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart aluminum 70cc/200cc 2.02/1.60
• Rocker Arms: Billet aluminum 1.6 roller rockers
• Oil Pan: Moroso 7qt with windage tray #20206
• Oil Pump: Melling
• Flexplate/Flywheel: Pioneer #FRA-159 external balance 168 tooth (with Scat kit)
• Balancer: PowerBond SFI internal balance 8” #PB1046-SS
• Intake Manifold: Holley strip dominator single plane #300-25
• Distributor: Pro billet (Iron gear)
• Water Pump: Weiand action + long pump #9240

Recommended Components:
• Carburetor: Quick Fuel 750CFM mechanical secondary no choke #Q-750
• 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 per application
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 3500+
• Exhaust: 1 ¾+ 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 HP107M Chevy 383 Stroker Mid Dress Engine 525HP appeared first on ATK High Performance Engine.

ATK HP55M Chevy 383 Stroker Mid Dress Engine 500HP

highperforman3 — Thu, 25 May 2023 15:26:34 +0000

Engine Specifications:
• HP: 500
• TQ: 505
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040 x 3.750
• Displacement: 383
• Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: Forged 10.2:1` compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 237/245 @50 .597in/.597ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart SHP American Made aluminum 72cc/200cc 2.02/1.60
• Rocker Arms: Billet aluminum 1.6 roller rockers
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling
• Balancer: PowerBond internal balance 8” #PB1046-N
• Flexplate/Flywheel: Pioneer #FRA-159 external balance 168 tooth (with Scat kit)
• Intake Manifold: Edelbrock performer RPM air gap #7501
• Distributor: Pro billet (Iron gear)
• Water Pump: Weiand action + long pump #9240

The post ATK HP55M Chevy 383 Stroker Mid Dress Engine 500HP appeared first on ATK High Performance Engine.

ATK HP101M Chevy 383 Stroker Mid Dress Engine 460HP

highperforman3 — Thu, 25 May 2023 15:23:48 +0000

Engine Specifications:
• HP: 460
• TQ: 490
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
• Pistons: Forged 10:1 Compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 224/236 @50 .591in/.591ex 108LSA
• Timing Chain: Double Roller
• Cylinder Heads: Dart SHP American Made aluminum 72cc/200cc 2.02/1.60
• Rocker Arms: Billet aluminum roller rockers 1.6 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159 (with Scat kit)
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: ATK dual plane
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

Recommended Components:
• 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.

The post ATK HP101M Chevy 383 Stroker Mid Dress Engine 460HP appeared first on ATK High Performance Engine.

ATK HP36M Chevy 383 Stroker Mid Dress Engine 435HP

highperforman3 — Thu, 25 May 2023 15:21:02 +0000

Engine Specifications:
• HP: 435
• TQ: 475
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
• Pistons: Forged 10:1 Compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 220/224 @50 .528in/.536ex 110LSA
• Timing Chain: Double Roller
• Cylinder Heads: Dart SHP aluminum 72cc/180cc 2.02/1.60
• Rocker Arms: Billet aluminum roller rockers 1.6 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159 (with Scat kit)
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: Edelbrock performer RPM dual plane #7101
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

The post ATK HP36M Chevy 383 Stroker Mid Dress Engine 435HP appeared first on ATK High Performance Engine.

ATK HP94M Chevy 383 Stroker Mid Dress Engine 415HP

highperforman3 — Thu, 25 May 2023 15:19:02 +0000

Engine Specifications:
• HP: 415
• TQ: 460
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
• Pistons: Hypereutectic 9.7:1 Compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 220/224 @50 .528in/.536ex 110LSA
• Timing Chain: Double Roller
• Cylinder Heads: ATK High Performance aluminum with 2.020 in. /1.600 ex. valves
• Rocker Arms: Billet aluminum roller rockers 1.6 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159 (with Scat kit)
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: ATK dual plane intake
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

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 HP94M Chevy 383 Stroker Mid Dress Engine 415HP appeared first on ATK High Performance Engine.

ATK HP33M Chevy 383 Vortec Stroker Mid Dress Engine 390HP

highperforman3 — Thu, 25 May 2023 14:24:33 +0000

Engine Specifications:
• HP: 390
• TQ: 460
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
• Pistons: Hypereutectic 9.5:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 220/224 @50 .495in/.502ex 110LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart vortec cast iron 67cc/165cc 2.02/1.60
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD volume
• Balancer: Internally balanced – PowerBond #PB1046-N
• Flexplate/Flywheel: Externally balanced – Pioneer #FRA-159 (with scat kit)
• Intake Manifold: ATK HP dual plane
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

The post ATK HP33M Chevy 383 Vortec Stroker Mid Dress Engine 390HP appeared first on ATK High Performance Engine.

ATK HP89M Chevy 350 Mid Dress Engine 390HP

highperforman3 — Thu, 25 May 2023 14:22:07 +0000

Engine Specifications:
• HP: 390
• TQ: 420
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.480”
• Displacement: 350CI
• Crankshaft: OE Reground external balance rear of the crank/internal balance front of the crank
• Rods: OE powder metal 5.7”
• Pistons: Hypereutectic 10:1 Compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 220/224 @50 .528in/.536ex 110LSA
• Timing Chain: Double Roller
• Cylinder Heads: ATK High Performance aluminum with 2.020 in. /1.600 ex. valves
• Rocker Arms: Billet aluminum roller rockers 1.6 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: ATK dual plane intake
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

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 HP89M Chevy 350 Mid Dress Engine 390HP appeared first on ATK High Performance Engine.

ATK HP32M Chevy 350 Vortec Mid Dress Engine 350HP

highperforman3 — Thu, 25 May 2023 14:18:07 +0000

Engine Specifications:
• HP: 350
• TQ: 400
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.480”
• Displacement: 350CI
• Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
• Rods: OE powder metal 5.7”
• Pistons: Hypereutectic 9.5:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 220/224 @50 .495in/.502ex 110LSA
• Timing Chain: Double roller
• Cylinder Heads: Vortec cast iron 67cc 1.94/1.50
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Balancer: Internally balanced – PowerBond #PB1046-N
• Flexplate/Flywheel: Externally balanced – Pioneer #FRA-159
• Intake Manifold: ATK HP dual plane
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump

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 HP32M Chevy 350 Vortec Mid Dress Engine 350HP appeared first on ATK High Performance Engine.

ATK HP98M Chevy 350 Mid Dress Engine 345HP

highperforman3 — Thu, 25 May 2023 14:09:35 +0000

Engine Specifications:
• HP: 345
• TQ: 400
• Block: OE block 4 bolt main 1pc seal 1987-2000
• Bore/Stroke: 4.040 x 3.480
• Displacement: 350
• Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
• Rods: OE powder metal 5.7”
• Pistons: Hypereutectic 9.1:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 220/224 @50 .495in/.502ex 110LSA
• Timing Chain: Double roller
• Cylinder Heads: ATK cast iron 76cc/165cc 1.94/1.50
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling high volume
• Balancer: PowerBond internal balance 8” #PB1046-N
• Flexplate/Flywheel: Pioneer #FRA-159 external balance 168 tooth
• Intake Manifold: ATK dual plane intake
• Distributor: HEI (Iron gear)
• Water Pump: OE long pump

Recommended Components:
• Carburetor: Quick Fuel 680CFM vacuum secondary’s with electric choke #HR-680
• Fuel Pump: Holley mechanical 110GPH #12-327-11
• Spark Plugs: Champion #RV12C
• Spark Plug Wires: 8mm

Engine Info:
• Oil: Conventional / Non synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles
• Oil Filter: Wix or K&N per application
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2500
• 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 HP98M Chevy 350 Mid Dress Engine 345HP appeared first on ATK High Performance Engine.

ATK HP291PM Chevy 350 Mid Dress Engine 325HP

highperforman3 — Thu, 25 May 2023 13:54:07 +0000

Engine Specifications:
• HP: 330
• TQ: 380
• Block: OE block 4 bolt main 1pc seal 1987-2000
• Bore/Stroke: 4.040 x 3.480
• Displacement: 350
• Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
• Rods: OE powder metal 5.7”
• Pistons: Hypereutectic 9.1:1 compression
• Rings: Moly
• Camshaft: Hyd. flat tappet
• Cam Specs: 224/234 @50 .465in/.488ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: ATK cast iron 76cc/165cc 1.94/1.50
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling high volume
• Balancer: PowerBond internal balance 8” #PB1046-N
• Flexplate/Flywheel: Pioneer #FRA-159 external balance 168 tooth
• Intake Manifold: ATK dual plane intake
• Distributor: HEI (Iron gear)
• Water Pump: OE long pump

Engine Info:
• Oil: Conventional / Non Synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles
• Oil Filter: Wix or K&N per application
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2500
• 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 HP291PM Chevy 350 Mid Dress Engine 325HP appeared first on ATK High Performance Engine.