More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

CHEVROLET Chevy small block Gen III/IV (LS-based engines) Short Block Engines

Individual Parts

Results 1 - 25 of 49

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Oct 7, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 7, 2025 if ordered today

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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

...Loading

Estimated Ship Date: Tomorrow

Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each

Part Number: HPE-SP26

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, -4cc Flat Top Pistons, Each

Part Number: HPE-SP32-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

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: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP26-G4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each

Part Number: HPE-SP39-G4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP26-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 2, 2025 if ordered today

Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top

Part Number: HPE-SP32-B

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 2, 2025 if ordered today

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 15, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP71

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Modal Header

Call To Order

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