ATK High Performance Engines Engine Assemblies

Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP53NB

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

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Estimated Ship Date: Mar 16, 2026 if ordered today

• Core Charge $285.00
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Crate Engine, GM 383 Stroker Stage 3, 435 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, EFI, Each

Part Number: HPE-HP36CEFI

2.0 out of 5 stars ( 1 )

• Core Charge $510.00
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Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Cylinder Heads, with MDS, Chrysler, Dodge, Jeep, 5.7L, Each

Part Number: HPE-HP103

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Core Charge $460.00
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Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, FiTech EFI, Aluminum Heads, Each

Part Number: HPE-HP93C-EFI

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Estimated Ship Date: Tomorrow

• Core Charge $560.00
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Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each

Part Number: HPE-HP291PM

3.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

• Core Charge $510.00
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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

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Estimated Ship Date: Mar 31, 2026 if ordered today

• Core Charge $510.00
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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: Mar 23, 2026 if ordered today

• Core Charge $370.00
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CRATE ENGINE, Chev 350 390HP Polished

Part Number: HPE-HP89CPOL

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Estimated Ship Date: Mar 31, 2026 if ordered today

• Core Charge $510.00
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Engine Assembly, Short Block, LM7, 5.7/347, 3.903 in. Bore, 3.622 in. Stroke, Forged Dished Pistons, I-Beam, Chevy, LS, Each

Part Number: HPE-SP76-B

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Estimated Ship Date: Mar 31, 2026 if ordered today

• Core Charge $285.00
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Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116-G4

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Estimated Ship Date: Apr 2, 2026 if ordered today

• Core Charge $285.00
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Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each

Part Number: HPE-HP116C-EFI

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Estimated Ship Date: Apr 2, 2026 if ordered today

• Core Charge $285.00
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Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20C

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Estimated Ship Date: Apr 2, 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-HP20M

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Estimated Ship Date: Apr 2, 2026 if ordered today

• Core Charge $550.00
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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: Apr 2, 2026 if ordered today

• Core Charge $260.00
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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: Apr 2, 2026 if ordered today

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Engine Assembly, Short Block, Assembled, Internal Balance, 1-Piece Rear Main Seal Style, Dart SHP Block, 427 C.I.D., Ford, Each

Part Number: HPE-SP112

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Estimated Ship Date: Apr 2, 2026 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: Apr 2, 2026 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

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Estimated Ship Date: Apr 2, 2026 if ordered today

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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: Apr 2, 2026 if ordered today

• Core Charge $410.00
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Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth

Part Number: HPE-SP76

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Estimated Ship Date: Apr 2, 2026 if ordered today

• Core Charge $285.00
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Short Block, Chrysler Gen III 392, Internally Balanced, +2cc Flat Pistons, Each

Part Number: HPE-SP97

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Estimated Ship Date: Apr 2, 2026 if ordered today

• Core Charge $460.00
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SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

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Estimated Ship Date: Apr 2, 2026 if ordered today

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ENGINE BLOCK

Part Number: HPE-SPE3881800

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Estimated Ship Date: Apr 2, 2026 if ordered today

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