CHEVROLET Engine Assemblies

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

Part Number: HPE-SP31-G4-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Core Charge $410.00
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Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top

Part Number: HPE-SP32-B

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Estimated Ship Date: May 11, 2026 if ordered today

• Core Charge $410.00
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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Core Charge $410.00
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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: May 11, 2026 if ordered today

• Core Charge $410.00
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Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: May 11, 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

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 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: May 11, 2026 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: May 11, 2026 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: May 11, 2026 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: May 11, 2026 if ordered today

• Core Charge $370.00
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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: May 11, 2026 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: May 11, 2026 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: May 11, 2026 if ordered today

• Core Charge $410.00
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• 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: May 11, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

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Estimated Ship Date: May 11, 2026 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP71

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Estimated Ship Date: May 11, 2026 if ordered today

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SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

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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: May 11, 2026 if ordered today

• Core Charge $410.00
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Crate Engine, SP350/357, 357 hp/ 407 lbs/ft. Torque, Cast Iron Block/ Vortec Heads, Includes Oil Pan, Flexplate, Chevy, Each

Part Number: NAL-19435438

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BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - ZF Automatic Transmission - Black Pulley Kit

Part Number: MLL-BLS3768KBZF

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Estimated Ship Date: Mar 30, 2026 if ordered today

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BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - ZF Automatic Transmission - Black Pulley Kit

Part Number: MLL-BLS3763KBZF

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Estimated Ship Date: Mar 30, 2026 if ordered today

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BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - ZF Automatic Transmission - Polished Pulley Kit

Part Number: MLL-BLS3763KZF

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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