Engine Assemblies

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 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

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: Oct 29, 2025 if ordered today

• Core Charge $500.00
• 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, LONG BLOCK, 2015-2018

Part Number: MOP-68406161AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 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: Oct 29, 2025 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

ENGINE, LONG BLOCK, 2019-2021

Part Number: MOP-68487053AA

Not Yet Reviewed

• Core Charge $750.00
• Free Shipping
• Special Order

SHORT ENGINE, SHORT ENGINE, 2003-2003

Part Number: CBM-R5093539AA

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Core Charge $900.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +3.2cc Flat Top Pistons, Each

Part Number: HPE-SP93-G4

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Engine Assembly, Short Block, LS3 364, Forged Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP95-G4

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

BLOCK, ENGINE, 2015-2026

Part Number: MOP-05045475AG

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Core Charge $500.00
• Free Shipping
• Special Order

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: Jan 19, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2020-2025

Part Number: MOP-68602214AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $750.00
• Free Shipping
• Special Order

BLOCK, LONG BLOCK, 2023

Part Number: MOP-68599194AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2018-2019

Part Number: MOP-68523929AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2016-2023

Part Number: MOP-68540717AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2019-2021

Part Number: MOP-68490145AA

Not Yet Reviewed

• Core Charge $500.00
• Free Shipping
• Special Order

BLOCK, ENGINE CYLINDER, 2015-2022

Part Number: MOP-68534100AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2021-2024

Part Number: MOP-68565544AB

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

BLOCK, LONG BLOCK, 2019-2023

Part Number: MOP-68547277AA

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $500.00
• Free Shipping
• Special Order

ENGINE, LONG BLOCK, 2015-2017

Part Number: MOP-68426945AE

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order