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ATK High Performance Engines

CHEVROLET ATK High Performance Engines Engines & Components

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Results 1 - 25 of 81

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

Crate Engine, GM 350 Small Block Stage 3, 350 HP, Long Block, External/Internal Engine Balance, Vortec Heads, EFI, Each

Part Number: HPE-HP32C-EFI

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth +18cc Dish

Part Number: HPE-SP38-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish

Part Number: HPE-SP26-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

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ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

1 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

Crate Engines, GM 408 LQ4 550 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-408BOOSTLB

Not Yet Reviewed

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ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

Crate Engine, GM LQ4, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 6.0L, LS3 Heads, Each

Part Number: HPE-HP110

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4-B

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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ATK High Performance Chevy 383 Stroker 460 HP Complete Long Block Crate Engines HP101C

ATK High Performance Chevy 383 Stroker 460 HP Complete Long Block Crate Engines HP101C

ATK High Performance Chevy 383 Stroker 460 HP Complete Long Block Crate Engines HP101C

Crate Engine, Complete Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each

Part Number: HPE-HP101C

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

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ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines with EFI HP89C-EFI

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines with EFI HP89C-EFI

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines with EFI HP89C-EFI

Engine Assembly, Stage 3 Crate Engine with EFI, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP89C-EFI

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ATK High Performance Chevy 383 Stroker 470 HP Mid-Dress Long Block Crate Engines HP101M

ATK High Performance Chevy 383 Stroker 470 HP Mid-Dress Long Block Crate Engines HP101M

ATK High Performance Chevy 383 Stroker 470 HP Mid-Dress Long Block Crate Engines HP101M

Crate Engine, Mid Dress Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each

Part Number: HPE-HP101M

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

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ATK High Performance Chevy LS 408 Short Blocks SP36-B

ATK High Performance Chevy LS 408 Short Blocks SP36-B

ATK High Performance Chevy LS 408 Short Blocks SP36-B

Short Block Engine, Chevy LS 408 Short Block, Remanufactured, Assembled, Internal Balance, 9.240 in. Deck Height, Chevrolet, 6.7L, Each

Part Number: HPE-SP36-B

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP33C

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

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BluePrint Engines GM 383 C.I.D. 410 HP Stoker Dressed Long Blocks with Aluminum Heads BP38315CTC1

BluePrint Engines GM 383 C.I.D. 410 HP Stoker Dressed Long Blocks with Aluminum Heads BP38315CTC1

4.75 out of 5 stars ( 5 )

Estimated Ship Date: Jan 12, 2026

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ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

Crate Engine, GM 383 Stroker 500HP Stage 3, Long Block, Aluminum Heads, Intake Manifold, Carburetor, Each

Part Number: HPE-HP55C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

Crate Engine, GM 383 Stroker 500HP Stage 1, Long Block, Aluminum Heads, Each

Part Number: HPE-HP55

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

Crate Engine, GM 383 Stroker Stage 3 with EFI, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94C-EFI

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Small Block, 427, Each

Part Number: HPE-SP48

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36M

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

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ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines HP42C

ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines HP42C

ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines HP42C

Engine Assembly, Stage 3 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-HP42C

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

Crate Engines, GM 408 LQ4 Stroker 600 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS01

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy 632 Short Blocks SP108

ATK High Performance Chevy 632 Short Blocks SP108

ATK High Performance Chevy 632 Short Blocks SP108

Engine Assembly, Short Block, Big Block, 10.3L/632, 4.600 in. Bore, 4.750 in. Stroke, Forged Pistons, Flat Top, Chevy, Big Block Mark IV, Each

Part Number: HPE-SP108

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

Crate Engine, GM 383 Stroker, Long Block, Base, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107

Not Yet Reviewed

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ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP104

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

Crate Engine, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

Engine Long Block, Chev 383 Stroker Marine HP Engine

Part Number: HPE-HP105

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each

Part Number: HPE-HP55M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

This product may not be eligible for select promotional offers

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