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...

Individual Parts

Part Groups

Results 1 - 25 of 205

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

Estimated Ship Date: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

Ford Performance Parts 363 C.I.D. Boss Short Block Assemblies for 1985-1995 MUSTANG - 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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

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: Jan 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 15, 2026 if ordered today

ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 15, 2026 if ordered today

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

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

ATK High Performance Chevy LS 408 Short Blocks SP38

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

1 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

...Loading

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 15, 2026 if ordered today

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

...Loading

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 )

...Loading

ATK High Performance Chevy Gen V 489/496 Short Blocks SP98

Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Nodular Iron Crankshaft, +20cc Dome Pistons, Each

Part Number: HPE-SP98

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

...Loading

Estimated Ship Date: Monday 10/20/2025

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: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Page 1 of 9
Next