CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

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

Part Number: HPE-SP37-B

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Estimated Ship Date: Feb 2, 2026 if ordered today

• Core Charge $410.00
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Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

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Estimated Ship Date: Feb 6, 2026 if ordered today

• Core Charge $410.00
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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

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Estimated Ship Date: Jan 12, 2026 if ordered today

• Core Charge $410.00
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Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, H Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271500

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, I Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271800

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP26-G4-B

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
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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

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Estimated Ship Date: Dec 26, 2025 if ordered today

• Core Charge $410.00
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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

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
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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

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
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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: Dec 22, 2025 if ordered today

• Core Charge $410.00
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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

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Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 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

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Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 if ordered today

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SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crate Engine, GM LS 416 C.I.D., Long Block, Assembled, Internal Engine Balance, Aluminum Heads, Chevy, Each

Part Number: EDL-46720

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, Long Block Only, Chevy, Each

Part Number: EDL-46725

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, without Accessories, Chevy, Each

Part Number: EDL-46726

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, with Accessories, Chevy, Each

Part Number: EDL-46727

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Crate Engine, Victor Jr, LS Chevy 416, ProFlo 4 EFI, Forged Internals, 602 HP and 538 ft/lbs TQ, Each.

Part Number: EDL-46736

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Crate Engine, Victor Jr, LS Chevy 416, ProFlo 4 EFI, Forged Internals, 602 HP and 538 ft/lbs TQ, With Accessories, Each.

Part Number: EDL-46737

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Estimated Ship Date: Nov 21, 2025 if ordered today

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