ATK High Performance Engines Engine Assemblies

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: Oct 15, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
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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

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Engine Assembly, Stage 2 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-HP42M

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Crate Engine, Ford 427 C.I.D. 545 HP, Complete Engine, 4-bolt Mains, 10.4:1 Compression, Dart SHP Block, Aluminum Cylinder Heads, Ford, Windsor, Each

Part Number: HPE-HP112CBLK

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

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Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top

Part Number: HPE-SP32-B

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Core Charge $410.00
• 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: Nov 6, 2025 if ordered today

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

Part Number: HPE-HP102C-EFI

Not Yet Reviewed

• Core Charge $650.00
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FORD CRATE ENGINE W/EFI

Part Number: HPE-HP79C-EFI

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Core Charge $550.00
• Free Shipping
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Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM 489 Stroker 565 HP Stage 1 Long Block, 8.0L/489, Assembled, Internal Balance, Aluminum Heads, Chevrolet, 7.4L Big Block Gen V, Each

Part Number: HPE-HP411P

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Core Charge $600.00
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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: Oct 20, 2025 if ordered today

• Core Charge $650.00
• Free Shipping
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Crate Engine, GM 383 Stroker, Long Block, Complete, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107C

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
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Crate Engine, GM 383 Stroker, Long Block, Mid Dress, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107M

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP31-G4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
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Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Dish Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP35NB

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
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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: Oct 22, 2025 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 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
• Free Shipping
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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

Not Yet Reviewed

• Core Charge $550.00
• Free Shipping
• Special Order

CHEV 383CI 415HP-STREET TBI Cam

Part Number: HPE-HP94-TBI

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
• Special Order

Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
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CHRY 408 MAG STRK CMP/DYN EFI

Part Number: HPE-HP46C-MAGEFI

Not Yet Reviewed

• Core Charge $260.00
• Free Shipping
• Special Order