Short Block Engines

Get a head start on your next engine build with our selection of short block engines. Our short blocks come with a high-quality engine block and engine internals, but...

Get a head start on your next engine build with our selection of short block engines. Our short blocks come with a high-quality engine block and engine internals, but they also give you the flexibility to finish your build off however you want. Carbureted, fuel-injected, forced induction—these blocks are the perfect starting point! You can get yours with cast or forged internal components for a wide range of applications. We’ve got 302 short blocks, 351W short blocks, 454 short blocks, and many other popular build options. We’ve even got stroker engine blocks, including 383-, 408-, and 427-cubic-inch...

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Results 1 - 25 of 214

Ford Performance Parts 5.0L Gen 3 Aluminator Short Block Crate Engines M-6009-A50NAB

Short Block Engine, 5.0L Gen 3 Aluminator NA, Aluminum Block, Forged Pistons, Internal Balance,12.0:1 Compression, Ford, Each

Part Number: FMS-M6009A50NAB

Not Yet Reviewed

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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: Today

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Ford Performance Parts 5.0L Gen 3 Aluminator Short Block Crate Engines M-6009-A50SCB

Short Block Engine, 5.0L Gen 3 Aluminator SC, Aluminum Block, Forged Pistons, Internal Balance, 9.5:1 Compression, Ford, Each

Part Number: FMS-M6009A50SCB

Not Yet Reviewed

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BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines BP38321SP

Crate Engine, Shortblock Plus 383, 350 Stroker Motor, SBC, New BluePrint Block, Roller Cam, Forged Internals

Part Number: MLL-BP38321SP

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines BP38318SP

Crate Engine, Shortblock Plus 383, 350 Stroker Motor, SBC, New BluePrint Block, Roller Cam, Oil Pan, Balancer

Part Number: MLL-BP38318SP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 Short Blocks SP38

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

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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

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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: Today

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ATK High Performance Chrysler 408 A Stroker Short Blocks SP61

Crate Engine, Chrysler 408 A Stroker, Short Block, Internal Balance, Mopar, Magnum, Each

Part Number: HPE-SP61

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance Chevy LM7 383 Short Blocks SP78

Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

Not Yet Reviewed

Estimated Ship Date: May 5, 2025 if ordered today

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Estimated Ship Date: May 5, 2025 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

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 1988-92 Ford 460 Short Blocks SP11

Engine Assembly, Short Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each

Part Number: HPE-SP11

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

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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Chevrolet Performance 502 C.I.D. Short Blocks 19433158

Short Block Engines, 502 C.I.D. Short Block, Forged Crankshaft, Flat Top Pistons, 4 Bolt, Includes Oil Pan, Timing Cover, Flexplate, Balancer, Each

Part Number: NAL-19433158

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 23, 2025 if ordered today

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Estimated Ship Date: Jul 23, 2025 if ordered today

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 ( 1 )

Estimated Ship Date: Today

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ATK High Performance Chevy LM7 5.7L/347 Short Blocks SP75

Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP75

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 16, 2025 if ordered today

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Estimated Ship Date: Jun 16, 2025 if ordered today

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ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

1 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ford Performance Parts 363 C.I.D. Boss Short Block Assemblies M-6009-363

Crate Engine, Boss, Short Block, Assembled, Internal Balance, 1-piece Rear Main Seal Style, Ford, 6.0L, Each

Part Number: FMS-M-6009-363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP52NB

Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged I Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP52NB

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today