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ATK High Performance Engines

CHEVROLET ATK High Performance Engines Engine Assemblies

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Results 1 - 25 of 138

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each

Part Number: HPE-HP99C

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

Crate Engine, Base Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each

Part Number: HPE-HP98

3.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32M

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

Crate Engine, Vortec, GM 350, 315 HP, Long Block, Internal Front/External Rear Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP74

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

Crate Engine, GM 350, Stage 1, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291P

3.69 out of 5 stars ( 16 )

Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

Crate Engine, GM 383 Stroker Stage 1, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

4.75 out of 5 stars ( 5 )

Estimated Ship Date: Today

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ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

Crate Engine, Assembly, Stage 1, Long Block, 1-Piece RMS, 4-Bolt Mains, Cast Iron w/Aluminum Heads, Hydraulic Roller, 10:1 CR, Chevy, Gen I 350, Each

Part Number: HPE-HP89

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

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

Part Number: HPE-HP31

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP97

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

Crate Engine, Performance, Complete Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, 4-Bolt Main, Internal/External Balance, Chevy, 350, Each

Part Number: HPE-HP98C

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

3.75 out of 5 stars ( 13 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

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

Part Number: HPE-HP32

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

ATK High Performance GM 350 390 HP Stage 2 Long Block Crate Engines HP89M

ATK High Performance GM 350 390 HP Stage 2 Long Block Crate Engines HP89M

ATK High Performance GM 350 390 HP Stage 2 Long Block Crate Engines HP89M

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP89M

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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: 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: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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: Today

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

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

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

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

Part Number: HPE-HP89C

3.67 out of 5 stars ( 3 )

Estimated Ship Date: 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

1.0 out of 5 stars ( 1 )

Estimated Ship Date: 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: Today

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

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

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

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

Part Number: HPE-HP32C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

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

Part Number: HPE-HP36

Not Yet Reviewed

Estimated Ship Date: Today

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ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

Engine Assembly, Short Block, LQ9 6.0L, Hypereutectic Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP19-F

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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ATK High Performance Chevy LM7 5.3L Short Blocks SP109

ATK High Performance Chevy LM7 5.3L Short Blocks SP109

ATK High Performance Chevy LM7 5.3L Short Blocks SP109

Engine Assembly, Short Block, 24 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP109

Not Yet Reviewed

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: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

Crate Engine, Mid Dress Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each

Part Number: HPE-HP98M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today