ATK High Performance Engines Engines & Components

ENGINE BLOCK

Part Number: HPE-SPE3881800

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

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CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

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Estimated Ship Date: May 13, 2026 if ordered today

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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: May 13, 2026 if ordered today

• Core Charge $285.00
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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: May 13, 2026 if ordered today

• Core Charge $260.00
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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: May 13, 2026 if ordered today

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Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

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Estimated Ship Date: May 13, 2026 if ordered today

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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: May 13, 2026 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

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head, Vortec, Cast Iron, 64cc Chamber, 170cc Runner, 1.940 in. Intake Valve, 1.500 in. Exhaust Valve, 0.525 in. Max Lift, Chevy, Each

Part Number: HPE-2CH4HP1

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Estimated Ship Date: Apr 16, 2026 if ordered today

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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: Apr 16, 2026 if ordered today

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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

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Estimated Ship Date: Apr 28, 2026 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: Apr 28, 2026 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: Apr 28, 2026 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: Apr 28, 2026 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: Apr 28, 2026 if ordered today

• Core Charge $560.00
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Crate Engines, GM 415 LS3 Stroker 620 HP Stage 1 Long Block, 6.8L/415, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS02

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 415, Each

Part Number: HPE-LS02C

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Estimated Ship Date: Apr 28, 2026 if ordered today

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CRATE ENGINE

Part Number: HPE-HPLH6N

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• Core Charge $560.00
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Crate Engine, GM 496 Stroker 600 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Chevy, 7.4L, 8.1L, Each

Part Number: HPE-HP631PC

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Estimated Ship Date: Apr 30, 2026 if ordered today

• Core Charge $600.00
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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: Apr 30, 2026 if ordered today

• Core Charge $600.00
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Short Block, Chrysler Gen III 392, Internally Balanced, Nitrous/Boost, +2cc Flat Pistons, Each

Part Number: HPE-SP97-B

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Estimated Ship Date: Apr 30, 2026 if ordered today

• Core Charge $460.00
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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

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Estimated Ship Date: Apr 30, 2026 if ordered today

• Core Charge $600.00
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Crate Engines, GM 489 Stroker 565 HP Stage 3 Long Block, 8.0L/489, Assembled, Aluminum Heads, Carbureted, Chevrolet, 7.4L Big Block Gen V, Each

Part Number: HPE-HP411PC

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Estimated Ship Date: Apr 30, 2026 if ordered today

• Core Charge $600.00
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