Engine Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ATK High Performance Chevy LS 408 Short Blocks SP39

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

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

Part Number: HPE-SP40-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

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

Part Number: HPE-SP41-1P

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

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

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Estimated Ship Date: Nov 21, 2025 if ordered today

CHEV 383CI 415HP-STREET TBI Cam

Part Number: HPE-HP94-TBI

Not Yet Reviewed

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Crate Engine, GM 383 Stroker, Marine, 380 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP96

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Engine Long Block, 5.0 Liter, 305 Cubic Inch, Marine, Cast Iron, Hydraulic Flat Tappet Camshaft. Scat Rotating Kit, Chevy, Each

Part Number: HME-DM95

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