CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engine Assemblies

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Core Charge $410.00
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Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each

Part Number: HPE-SP26

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Estimated Ship Date: Monday 10/27/2025

• Core Charge $410.00
• Free Shipping

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, 4L65/70E Automatic Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS3763K4L7

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Estimated Ship Date: Monday 10/27/2025

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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, E Controls

Part Number: MLL-PSLS4275CTF

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Estimated Ship Date: Monday 10/27/2025

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Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

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Estimated Ship Date: Jan 12, 2026 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4

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Estimated Ship Date: Jan 21, 2026 if ordered today

• Core Charge $410.00
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Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth

Part Number: HPE-SP76

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Estimated Ship Date: Jan 21, 2026 if ordered today

• Core Charge $285.00
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