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ATK High Performance Engines

CHEVROLET Chevy small block Gen I ATK High Performance Engines Engine Assemblies

Individual Parts
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Results 1 - 25 of 52

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

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

Part Number: HPE-HP89

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

4.07 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jul 22, 2025 if ordered today

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Estimated Ship Date: Jul 22, 2025 if ordered 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

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

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 ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

Crate Engine, GM 350, Stage 3, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291PC

3.33 out of 5 stars ( 9 )

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

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Sep 10, 2025

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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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Estimated Ship Date: Today

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

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

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

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

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: 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: Today

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Estimated Ship Date: Today

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: Jul 21, 2025 if ordered today

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Estimated Ship Date: Jul 21, 2025 if ordered today

ATK High Performance Chevy 383 Stroker Short Blocks SP53

ATK High Performance Chevy 383 Stroker Short Blocks SP53

ATK High Performance Chevy 383 Stroker Short Blocks SP53

Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +5cc Flat Top Pistons, Each

Part Number: HPE-SP53

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

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

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ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

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

Part Number: HPE-HP90

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

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: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

4.5 out of 5 stars ( 15 )

Estimated Ship Date: Today

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