ATK High Performance Engines Engine Assemblies

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

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Estimated Ship Date: Tomorrow if ordered today

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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4-B

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Estimated Ship Date: Aug 18, 2025 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

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Estimated Ship Date: Jul 28, 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: Jul 28, 2025 if ordered today

• Core Charge $410.00
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SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

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Estimated Ship Date: Aug 13, 2025 if ordered today

• Core Charge $370.00
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FORD CRATE ENGINE W/EFI

Part Number: HPE-HP79C-EFI

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $550.00
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Crate Engine, Mopar 360 Small Block Stage 2, 320 HP, Long Block, External Engine Balance, Magnum Heads, Each

Part Number: HPE-HP73M

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $260.00
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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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CHRY 408 MAG STRK CMP/DYN EFI

Part Number: HPE-HP46C-MAGEFI

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• Core Charge $260.00
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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: Aug 18, 2025 if ordered today

• Core Charge $550.00
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Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each

Part Number: HPE-HP55M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 7, 2025 if ordered today

• Core Charge $510.00
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Crate Engines, Chrysler 408 Stroker Magnum 465 HP Stage 2 Long Block, 6.7L/408, Assembled, Intake Manifold, Aluminum Heads, Dodge, 6.7L Magnum, Each

Part Number: HPE-HP46M-MAG

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $260.00
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GEN IV 5.3L AFR Heads 500HP L/B

Part Number: HPE-HP116-G4

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM 383 Stroker 500 HP Stage 3 Long Block with EFI, 6.3L/383, Assembled, Aluminum Heads, FiTech EFI System, Chevy, Small Block, Each

Part Number: HPE-HP55C-EFI

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $510.00
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Crate Engines, GM LM7/LS1 347CI 500 HP Stage 1 Long Block, 5.7L/347, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-2

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM LM7/LS1 383CI 515 Plus HP Stage 1 Long Block, 6.3L/383, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-3

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ4-LB-1

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $560.00
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LQ4 364CI 550HP L/B

Part Number: HPE-LQ4-LB-2

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• Core Charge $575.00
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Crate Engines, GM 365 LQ9 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ9-LB-1

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $560.00
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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: Aug 18, 2025 if ordered today

• Core Charge $550.00
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FORD 5.4 08-10 VVT LOCK OUT ENGINE

Part Number: HPE-HPDFDA

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $620.00
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FORD 5.4 04-08 VVT LOCK OUT ENGINE

Part Number: HPE-HPDFDV

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $620.00
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FORD 5.4 05-08 VVT LOCK OUT ENGINE

Part Number: HPE-HPDFDW

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Estimated Ship Date: Aug 18, 2025 if ordered today

• Core Charge $620.00
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CRATE ENGINE

Part Number: HPE-HPLH6N

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• Core Charge $560.00
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