Engine Assemblies

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: Dec 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $370.00
• Free Shipping
• Special Order

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 31, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP39-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP41-1P

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP45

Not Yet Reviewed

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP71

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
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Short Block Engine, 3.6L, LY7, Stock Replacement, Buick, Cadillac, Chevrolet, Pontiac, Saturn, Each

Part Number: NAL-19206165

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2019-2023

Part Number: MOP-68545286AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Core Charge $500.00
• Free Shipping
• Special Order

BLOCK, LONG BLOCK, 2023-2025

Part Number: MOP-68596219AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Core Charge $750.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2013-2017

Part Number: MOP-68319702AA

Not Yet Reviewed

• Core Charge $750.00
• Free Shipping
• Special Order

BLOCK, 2017-2018

Part Number: MOP-68348213AA

Not Yet Reviewed

• Core Charge $750.00
• Free Shipping
• Special Order

BLOCK, LONG BLOCK, 2015-2018

Part Number: MOP-68406161AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2019-2021

Part Number: MOP-68423570AA

Not Yet Reviewed

• Core Charge $500.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2017-2022

Part Number: MOP-68641993AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

SHORT, 2001-2005

Part Number: MOP-MD367373

Not Yet Reviewed

• Core Charge $250.00
• Free Shipping
• Special Order