$20 Off $250 / $40 Off $500 / $80 Off $1000 - Use Promo Code: CYBER

$20 Off $250 / $40 Off $500 /
$80 Off $1000 - Use Promo Code: CYBER

Summit Racing SpeedCard - learn how to get 15% back - Get Details!

Filters

  • In Stock
  • Brand
  • Crate Engine Family
  • Actual Engine Displacement
  • Make/Engine
  • Rear Main Seal Style
  • Crankshaft Material
  • Piston Material
  • Short Block Piston Style
  • Connecting Rod Material
  • Connecting Rod Beam Style
  • Engine Block Material
  • In Stock

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Brand
  • Crate Engine Family
  • Actual Engine Displacement
  • Make/Engine
  • Rear Main Seal Style
  • Crankshaft Material
  • Piston Material
  • Short Block Piston Style
  • Connecting Rod Material
  • Connecting Rod Beam Style
  • Engine Block Material

CHEVROLET Short Block Engines

Showing In Stock Items. Show All 40 Items.

Individual Parts
Part Groups

Results 1 - 13 of 13

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: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

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

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

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 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

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: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

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

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

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 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP36-B

ATK High Performance Chevy LS 408 Short Blocks SP36-B

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 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP105

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP104

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

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: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, I Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271800

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

This product may not be eligible for select promotional offers

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify