ATK High Performance Engines Engines & Components

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $370.00
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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

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP45

Not Yet Reviewed

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Chevy LM7 383CI Short Block +8cc Dished Pistons 24 Tooth

Part Number: HPE-SP77

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
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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: Mar 16, 2026 if ordered today

• Core Charge $600.00
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Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth

Part Number: HPE-SP79

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 58 Tooth Reluctor, +11cc Dish Pistons, Each

Part Number: HPE-SP96-G4

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
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Crate Engines, GM 415 LS3 Stroker 620 HP Stage 1 Long Block, 6.8L/415, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS02

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 415, Each

Part Number: HPE-LS02C

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Estimated Ship Date: Mar 5, 2026 if ordered today

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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: Feb 27, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

5.7L Gen 3 Hemi Motor

Part Number: HPE-HP111

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

• Core Charge $460.00
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Crate Engines, Ford 502 515 HP Stage 1 Long Block, 8.2L/502, Assembled, Internal Balance, Aluminum Cylinder Heads, Ford, Big Block 385 Series, Each

Part Number: HPE-HP102

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Core Charge $650.00
• Free Shipping
• Special Order

CRATE ENGINE

Part Number: HPE-HPLH6N

Not Yet Reviewed

• Core Charge $560.00
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Crate Engines, GM 489 Stroker 565 HP Stage 3 Long Block, 8.0L/489, Assembled, Aluminum Heads, Carbureted, Chevrolet, 7.4L Big Block Gen V, Each

Part Number: HPE-HP411PC

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
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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: Dec 26, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
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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

Not Yet Reviewed

Estimated Ship Date: Dec 26, 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, +4cc Flat Top Pistons, Each

Part Number: HPE-SP39-G4

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

• Free Shipping
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Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP06C

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

Crate Engine Ford 302CI Engine 300HP Fox Pan Complete EFI

Part Number: HPE-HP06C-EFI

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Core Charge $550.00
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Engine Assembly, Stage 1 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-HP42

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 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: Mar 9, 2026 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Free Shipping
• Special Order