ATK High Performance Engines Engines & Components

Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +3.2cc Flat Top Pistons, Each

Part Number: HPE-SP93-G4

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Estimated Ship Date: Jun 24, 2026 if ordered today

• Core Charge $410.00
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Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

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Estimated Ship Date: Jun 25, 2026 if ordered today

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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: Jun 15, 2026 if ordered today

• Core Charge $260.00
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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: May 27, 2026 if ordered today

• Core Charge $285.00
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CRATE ENGINE, Chev 383 415HP Polished

Part Number: HPE-HP94CPOL

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Estimated Ship Date: Jun 17, 2026 if ordered today

• 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: Jun 24, 2026 if ordered today

• Core Charge $510.00
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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: Jun 24, 2026 if ordered today

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SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Cylinder Head, 250cc LS1/LS6, Aluminum, 61cc Chamber, 250cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS1250

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Estimated Ship Date: Jun 24, 2026 if ordered today

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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: Jun 24, 2026 if ordered today

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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: Jun 26, 2026 if ordered today

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5.7L Gen 3 Hemi Motor

Part Number: HPE-HP111

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Estimated Ship Date: Jun 24, 2026 if ordered today

• Core Charge $460.00
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Crate Engine, GM 383 Stroker, Long Block, Complete, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107C

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Estimated Ship Date: Jun 24, 2026 if ordered today

• Core Charge $510.00
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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: Jun 24, 2026 if ordered today

• Core Charge $460.00
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Cylinder Head, 360cc Runner, Aluminum, 121cc Chamber, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC360

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Estimated Ship Date: Jun 24, 2026 if ordered today

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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: Jun 23, 2026 if ordered today

• Core Charge $510.00
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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: Jun 24, 2026 if ordered today

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Engines, Bare Block, Cast Iron, OEM Style, Standard Deck, 3.927 in. Bore Shipped, 2-Bolt Mains, Mopar, Gen III Hemi, Each

Part Number: HPE-220A

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Estimated Ship Date: Jun 26, 2026 if ordered today

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