ATK High Performance Engines Parts and Accessories

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

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Estimated Ship Date: Feb 13, 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

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Estimated Ship Date: Feb 13, 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, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4-B

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Estimated Ship Date: Feb 13, 2026 if ordered today

• Core Charge $410.00
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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

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Estimated Ship Date: Feb 13, 2026 if ordered today

• Core Charge $600.00
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Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP45

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ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

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Estimated Ship Date: Feb 13, 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: Feb 13, 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

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Estimated Ship Date: Feb 13, 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: Feb 13, 2026 if ordered today

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CRATE ENGINE, Chev 383 415HP Polished

Part Number: HPE-HP94CPOL

Not Yet Reviewed

• Core Charge $510.00
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LQ4 364CI 550HP L/B

Part Number: HPE-LQ4-LB-2

Not Yet Reviewed

• Core Charge $575.00
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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: Jan 22, 2026 if ordered today

• Core Charge $550.00
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Crate Engine Ford 302CI Engine 300HP Fox Pan Complete EFI

Part Number: HPE-HP06C-EFI

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $550.00
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FORD 502 515HP Fitech EFI COMP/DYNO

Part Number: HPE-HP102C-EFI

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• Core Charge $650.00
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Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 393, Each

Part Number: HPE-HP17

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• Core Charge $410.00
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Crate Engine, Ford 347 Stroker 410 HP Stage 3 Long Block with EFI, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, FiTech, Each

Part Number: HPE-HP20C-EFI

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $550.00
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Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP33

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $510.00
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Crate Engines, GM 496 Stroker 600 HP Stage 2 Long Block, 8.1L/496, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, 7.4L, 8.1L, Each

Part Number: HPE-HP631PM

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $600.00
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Crate Engines, Ford 347 Stroker 410 HP Stage 3 Long Block with EFI, 5.7L/347, Assembled, External, 28 oz. Imbalance, Ford, Small Block Windsor, Each

Part Number: HPE-HP80C-EFI

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $550.00
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Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP80M

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $550.00
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Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 408, Each

Part Number: HPE-HP81

5.0 out of 5 stars ( 1 )

• Core Charge $550.00
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Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 408, Each

Part Number: HPE-HP81M

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• Core Charge $550.00
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Crate Engine, Ford 502 515 HP Stage 2 Long Block, Assembled, Hydraulic Flat Tappet, Internal Balance, Aluminum Heads, Ford, Big Block 385 Series, Each

Part Number: HPE-HP102M

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $650.00
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Crate Engines, Ford 502 545 HP Stage 3 Long Block, 8.2L/502, Assembled, Internal Balance, Aluminum Cylinder Heads, EFI, Ford, Big Block, Each

Part Number: HPE-HP19C-EFI

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• Core Charge $650.00
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