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ATK High Performance Engines Engine Assemblies

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Results 26 - 50 of 201

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

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: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 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 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: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

Crate Engine, Mopar 360 Small Block Stage 1, 320 hp, 410 lbs.-ft. Torque, Long Block, Hydraulic Roller, External Engine Balance, Magnum Heads, Each

Part Number: HPE-HP73

3.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 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: Tomorrow

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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: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered 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: Tomorrow

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Estimated Ship Date: Tomorrow

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

ATK High Performance Ford 347 Stroker 450 HP Stage 2 Long Block Crate Engines HP100M

ATK High Performance Ford 347 Stroker 450 HP Stage 2 Long Block Crate Engines HP100M

ATK High Performance Ford 347 Stroker 450 HP Stage 2 Long Block Crate Engines HP100M

Crate Engine, Ford 347 Stroker 450 HP Stage 2 Long Block, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each

Part Number: HPE-HP100M

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ATK High Performance Ford 302 375 HP Stage 3 Long Block Crate Engines with EFIes with EFI HP78C-EFI

ATK High Performance Ford 302 375 HP Stage 3 Long Block Crate Engines with EFIes with EFI HP78C-EFI

ATK High Performance Ford 302 375 HP Stage 3 Long Block Crate Engines with EFIes with EFI HP78C-EFI

Crate Engine, Ford 302 375 HP Stage 3 Long Block with EFI, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each

Part Number: HPE-HP78C-EFI

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Chrysler 360 Magnum 350 HP Base Long Block Crate Engines HP113

ATK High Performance Chrysler 360 Magnum 350 HP Base Long Block Crate Engines HP113

ATK High Performance Chrysler 360 Magnum 350 HP Base Long Block Crate Engines HP113

CRATE ENGINE, Mopar 360 Mag 350+HP

Part Number: HPE-HP113

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

ATK High Performance Ford 347 Stroker 410 HP Stage 1 Long Block Crate Engines HP20

ATK High Performance Ford 347 Stroker 410 HP Stage 1 Long Block Crate Engines HP20

ATK High Performance Ford 347 Stroker 410 HP Stage 1 Long Block Crate Engines HP20

Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Ford 302 375 HP Stage 1 Long Block Crate Engines HP78

ATK High Performance Ford 302 375 HP Stage 1 Long Block Crate Engines HP78

ATK High Performance Ford 302 375 HP Stage 1 Long Block Crate Engines HP78

Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP78

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block Crate Engines HP46C-MAG

ATK High Performance Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block Crate Engines HP46C-MAG

ATK High Performance Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block Crate Engines HP46C-MAG

Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L

Part Number: HPE-HP46C-MAG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Ford Truck 302 Drop-In Long Block Crate Engines HP99FT

ATK High Performance Ford Truck 302 Drop-In Long Block Crate Engines HP99FT

ATK High Performance Ford Truck 302 Drop-In Long Block Crate Engines HP99FT

FORD 302 64-86 TRUCK DROPIN

Part Number: HPE-HP99FT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

Engine Assembly, Short Block, LQ4, Chevy, Small Block LS, 364, Each

Part Number: HPE-SP19

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

ATK High Performance Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engines HP73C

ATK High Performance Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engines HP73C

ATK High Performance Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engines HP73C

Crate Engine, Stage 3, Long Block, Assembled, External Engine Balance, Cast Iron Heads, Dodge, 5.9L, Each

Part Number: HPE-HP73C

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

3.5 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 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: Tomorrow

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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 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, Forged 4340 Steel Crankshaft, Each

Part Number: HPE-SP53

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATK High Performance Ford 351W 300 HP Stage 1 Long Block Crate Engines HP09

ATK High Performance Ford 351W 300 HP Stage 1 Long Block Crate Engines HP09

ATK High Performance Ford 351W 300 HP Stage 1 Long Block Crate Engines HP09

Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 351, Each

Part Number: HPE-HP09

3.4 out of 5 stars ( 5 )

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 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: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today