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ATK High Performance Engines

CHEVROLET ATK High Performance Engines Engines & Components

Showing In Stock Items. Show All 81 Items.

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Results 1 - 23 of 23

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: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

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: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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: Tomorrow

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Estimated Ship Date: Tomorrow

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 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

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-SP105

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

This product may not be eligible for select promotional offers

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 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

CRATE ENGINE, Chev 350 390HP Black

Part Number: HPE-HP89CBLK

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: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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

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

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

Crate Engine, GM 383 Stroker Stage 3, 435 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, EFI, Each

Part Number: HPE-HP36CEFI

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ4-LB-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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

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

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

Crate Engines, GM 383 Stroker 500 HP Stage 3 Long Block with EFI, 6.3L/383, Assembled, Aluminum Heads, FiTech EFI System, Chevy, Small Block, Each

Part Number: HPE-HP55C-EFI

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each

Part Number: HPE-HP116C-EFI

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, I Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271800

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Pro Street 632 800 HP Dressed Crate Engines HP108C

ATK High Performance Pro Street 632 800 HP Dressed Crate Engines HP108C

ATK High Performance Pro Street 632 800 HP Dressed Crate Engines HP108C

CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116-G4

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116-G4

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116-G4

Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116-G4

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

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