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ATK GM 383 Stroker 525 HP HP107M Stage 2 Mid-Dress LB
ATK GM 383 Stroker 525 HP HP107M Stage 2 Mid-Dress LB delivers track-validated 525 HP performance featuring high-flow aluminum heads and a mid-dress setup for aggressive street builds.
- Total Displacement: 6.3L / 383 CI.
- Horsepower Rating: Reliable 525 HP.
- Cylinder Head: Premium Aluminum Material.
- Engine Block: Durable Cast Iron.
- Internal Valvetrain: Hydraulic roller cam.
One Year Limited Warranty Included.
ATK GM 383 Stroker HP90 Marine Grade Stage 1 Engine
ATK GM 383 Stroker HP90 Marine Grade Stage 1 Engine provides precision-engineered 6.3L power with a specialized marine-grade foundation and rugged cast iron heads for aquatic reliability.
- Power Volume: 6.3L / 383 CI.
- Specific Grade: Specialized Marine Application.
- Cylinder Material: Rugged Cast Iron.
- Engine Assembly: Internally Externally Balanced.
- Induction Style: Stage 1 Marine.
ATK Performance Limited Warranty Included.
ATK GM 383 Stroker HP96 Marine Base Aluminum Head Engine
ATK GM 383 Stroker HP96 Marine Base Aluminum Head Engine features elite marine-grade stroker technology combined with aluminum heads to deliver reliable track-proven power for boating performance.
- Actual Displacement: 6.3L / 383 CI.
- Head Construction: Aluminum Head Material.
- Block Composition: Cast Iron Foundation.
- Camshaft Style: Hydraulic roller cam.
- Application Type: Marine Base Long-Block.
Official Performance Engine Warranty Included.
ATK GM 383 TBI Stroker 320 HP HP05 Stage 1 Long Block
ATK GM 383 TBI Stroker 320 HP HP05 Stage 1 Long Block offers a precision-engineered 6.3L foundation featuring rugged cast iron heads for reliable high-torque TBI performance engine builds.
- Performance Output: Proven 320 HP.
- Stroker Displacement: 6.3L / 383 CI.
- Head Material: Cast Iron Heads.
- Valvetrain Style: Hydraulic roller valvetrain.
- Dress Setup: Stage 1 Long-Block.
Standard Factory Engine Warranty Included.
ATK GM 383 Vortec 390 HP HP33C Stage 3 Long Block
ATK GM 383 Vortec 390 HP HP33C Stage 3 Long Block provides professional 390 HP performance featuring rugged Vortec heads and a complete long-block assembly for reliable high-torque street builds.
- Performance Data: Powerful 390 HP.
- Cylinder Volume: 6.3L / 383 CI.
- Head Construction: Cast Iron Material.
- Block Type: Cast Iron Construction.
- Completion Level: Full Stage 3.
Official ATK High-Performance Warranty Included.
ATK GM 408 LQ4 Stroker 600 HP LS01 Stage 1 Engine
ATK GM 408 LQ4 Stroker 600 HP LS01 Stage 1 Engine delivers track-validated 600 HP performance featuring elite aluminum heads and a reinforced cast iron block for extreme durability.
- Power Rating: Aggressive 600 Horsepower.
- Engine Volume: 6.7L / 408 CI Stroker.
- Head Construction: Aluminum Cylinder Heads.
- Block Material: Cast Iron Block.
- Internal Valvetrain: Hydraulic roller cam.
ATK Performance Limited Warranty Included.
ATK GM 415 LS3 Stroker 620 HP LS02 Stage 1 Engine
ATK GM 415 LS3 Stroker 620 HP LS02 Stage 1 Engine provides a precision-engineered 6.8L foundation featuring elite aluminum heads and a lightweight aluminum block for high-performance builds.
- Actual Displacement: 6.8L / 415 CI.
- Horsepower Level: Proven 620 HP.
- Cylinder Material: Aluminum Head Design.
- Block Composition: Aluminum Engine Block.
- Valvetrain Style: Hydraulic roller OE.
One Year Limited Warranty Included.
ATK GM 415 LS3 Stroker 620 HP LS02C Stage 3 Carbureted
ATK GM 415 LS3 Stroker 620 HP LS02C Stage 3 Carbureted offers professional 620 HP performance featuring elite aluminum heads and a ready-to-run carbureted setup for reliable high-torque applications.
- Performance Data: Powerful 620 HP.
- Total Displacement: 6.8L / 415 CI.
- Cylinder Heads: Aluminum High-Flow.
- Main Block: Aluminum Case Strength.
- Completion Level: Stage 3 Carbureted.
Official Performance Engine Warranty Included.
ATK GM 454 Big Block 525 HP HP451PC Stage 3 Engine
ATK GM 454 Big Block 525 HP HP451PC Stage 3 Engine features elite Big Block technology combined with high-flow aluminum heads to deliver reliable track-proven power for aggressive performance builds.
- Engine Output: Aggressive 525 Horsepower.
- Stroker Volume: 7.4L / 454 CI.
- Head Type: Aluminum Head Design.
- Structural Foundation: Cast Iron Block.
- Induction System: Full Carbureted Induction.
Standard Factory Engine Warranty Included.
ATK GM 489 Stroker 565 HP HP411PC Stage 3 Complete LB
ATK GM 489 Stroker 565 HP HP411PC Stage 3 Complete LB delivers precision-engineered Stage 3 power featuring elite aluminum heads and a ready-to-run carbureted completion for high-power street applications.
- Output Level: High-Performance 565 HP.
- Displacement Data: 8.0L / 489 CI.
- Head Material: Aluminum Cylinder Head.
- Main Block: Cast Iron Block.
- Dress Level: Complete Stage 3.
Official ATK High-Performance Warranty Included.
ATK GM 489 Stroker 565 HP HP411PM Stage 2 Performance
ATK GM 489 Stroker 565 HP HP411PM Stage 2 Performance provides track-validated 565 HP performance featuring high-flow aluminum heads and a professional mid-dress assembly for aggressive street builds.
- Total Displacement: 8.0L / 489 CI volume.
- Performance Output: Reliable 565 Horsepower rating.
- Head Construction: Aluminum Head Material.
- Block Composition: Cast Iron Main Block.
- Valvetrain Style: Hydraulic roller OE cam.
ATK Performance Limited Warranty Included.
ATK GM 496 Stroker 600 HP HP631P Stage 1 Big Block
ATK GM 496 Stroker 600 HP HP631P Stage 1 Big Block offers a precision-engineered 8.1L foundation featuring elite aluminum heads for enthusiasts seeking an aggressive Big Block Chevy foundation.
- Power Rating: Aggressive 600 Horsepower performance.
- Cylinder Volume: 8.1L / 496 CI displacement.
- Cylinder Heads: Aluminum High-Flow heads.
- Structural Block: Cast Iron Block material.
- Internal Valvetrain: Hydraulic roller valvetrain design.
One Year Limited Warranty Included.
ATK GM 496 Stroker 600 HP HP631PC Stage 3 Complete LB
ATK GM 496 Stroker 600 HP HP631PC Stage 3 Complete LB features elite engine technology combined with high-flow aluminum heads to deliver reliable track-proven power for professional performance builds.
- Actual Displacement: 8.1L / 496 CI Stroker.
- Energy Output: High-Performance 600 HP rating.
- Head Type: Aluminum Head Construction.
- Block Type: Cast Iron Block foundation.
- Completion Level: Full Stage 3 carbureted.
Official Performance Engine Warranty Included.
ATK GM 496 Stroker 600 HP HP631PM Stage 2 Big Block
ATK GM 496 Stroker 600 HP HP631PM Stage 2 Big Block delivers professional 600 HP performance featuring high-flow aluminum heads and a mid-dress setup for reliable high-torque street and strip builds.
- Output Level: Reliable 600 HP rating.
- Stroker Displacement: 8.1L / 496 CI volume.
- Head Material: Aluminum Cylinder Head construction.
- Main Block: Cast Iron Block foundation.
- Dress Level: Stage 2 Mid-Dress assembly.
Standard Factory Engine Warranty Included.
ATK GM 540 Big Block 660 HP HP42 Stage 1 Long Block
ATK GM 540 Big Block 660 HP HP42 Stage 1 Long Block provides a professional 660 HP foundation featuring high-flow aluminum heads and a hydraulic roller cam for elite Chevy builds.
- Engine Output: Aggressive 660 Horsepower delivery.
- Cylinder Volume: 8.8L / 540 CI volume.
- Cylinder Head: Aluminum Head material choice.
- Block Type: Cast Iron Engine Block.
- Valvetrain: Hydraulic roller retro-fit cam.
Official ATK High-Performance Warranty Included.
ATK GM 540 Big Block 660 HP HP42C Stage 3 Carbureted
ATK GM 540 Big Block 660 HP HP42C Stage 3 Carbureted offers track-validated 8.8L power featuring high-flow aluminum heads and a professional carbureted completion for elite Chevy Big Block performance.
- Engine Output: Powerful 660 Horsepower rating.
- Big Block Displacement: 8.8L / 540 CI volume.
- Head Construction: Aluminum Head Material selection.
- Dress Level: Stage 3 Carbureted assembly.
- Primary Balance: Internal Engine Balance design.
ATK Performance Limited Warranty Included.
ATK GM 540 Big Block 660 HP HP42M Stage 2 Performance
ATK GM 540 Big Block 660 HP HP42M Stage 2 Performance delivers a precision-engineered 8.8L foundation featuring high-flow aluminum heads and a mid-dress setup for professional street and strip builds.
- Performance Data: Reliable 660 HP rating.
- Cylinder Volume: 8.8L / 540 CI displacement.
- Structural Foundation: Cast Iron Block material.
- Completion Grade: Stage 2 Mid-Dress setup.
- Valvetrain Style: Hydraulic roller retro-fit cam.
One Year Limited Warranty Included.
ATK GM LM7/LS1 347ci 500 HP LM7-LB-2 Stage 1 Engine
ATK GM LM7/LS1 347ci 500 HP LM7-LB-2 Stage 1 Engine features elite LS technology combined with high-flow aluminum heads to provide reliable track-proven power for aggressive performance Chevy builds.
- Power Volume: 5.7L / 347 CI displacement.
- Actual Horsepower: Aggressive 500 HP rating.
- Cylinder Material: Aluminum Cylinder Head design.
- Main Block: Cast Iron Engine Block.
- Internal Valvetrain: Hydraulic roller valvetrain design.
Official Performance Engine Warranty Included.
ATK GM LM7/LS1 383ci 515 HP LM7-LB-3 Stage 1 Engine
ATK GM LM7/LS1 383ci 515 HP LM7-LB-3 Stage 1 Engine provides professional 515 HP performance featuring high-flow aluminum heads and a reinforced cast iron block for reliable high-torque LS builds.
- Output Level: Reliable 515 Horsepower output.
- Stroker Volume: 6.3L / 383 CI displacement.
- Head Type: Aluminum Head Construction material.
- Structural Block: Cast Iron Block foundation.
- Camshaft Style: Hydraulic Roller Design specs.
Standard Factory Engine Warranty Included.
ATK GM LM7/LS1 383ci 515 HP LM7-LB-3 Stage 1 LS Engine
ATK GM LM7/LS1 383ci 515 HP LM7-LB-3 Stage 1 LS Engine delivers precision-engineered Stage 1 power featuring elite aluminum heads and a seasoned cast iron block for high-power Chevy LS applications.
- Horsepower Rating: Proven 515 HP performance.
- Total Displacement: 6.3L / 383 CI Stroker.
- Head Material: Aluminum Cylinder Head material.
- Main Block: Cast Iron Block construction.
- Valvetrain Style: Hydraulic Roller OE cam.
Official ATK High-Performance Warranty Included.