Engine Assemblies

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP31-G4

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Dish Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP35NB

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4

Not Yet Reviewed

Estimated Ship Date: Nov 21, 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, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4-B

Not Yet Reviewed

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

• Core Charge $370.00
• 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: Nov 21, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP40-G4

Not Yet Reviewed

Estimated Ship Date: Nov 21, 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: Nov 21, 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: Nov 21, 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

Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $370.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

• 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: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

MARINE 454

Part Number: NAL-19207557

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

CRATE ENGINE

Part Number: NAL-19208888

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

Engine Assembly, Remanufactured, Crate Engine, Chevy, V8, 5.3L, 323, RPO Code LH6 or LC9, Each

Part Number: NAL-19209698

Not Yet Reviewed

• Core Charge $2,500.00
• Free Shipping
• Special Order

ENGINE

Part Number: NAL-19209701

Not Yet Reviewed

• Core Charge $1,200.00
• Free Shipping
• Special Order

6.0 REMAN ENGINE

Part Number: NAL-19209705

Not Yet Reviewed

• Core Charge $600.00
• Free Shipping
• Special Order

CRATE ENGINE

Part Number: NAL-19210837

Not Yet Reviewed

• Core Charge $1,200.00
• Free Shipping
• Special Order