Availability
ATK High Performance Engines Engines & Components
ENGINE BLOCK
Part Number: HPE-SPE3881800
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
CHEV 632 BB COMP/DYNO
Part Number: HPE-HP108C
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each
Part Number: HPE-HP116-G4
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP33
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
LQ4 364CI 550HP L/B
Part Number: HPE-LQ4-LB-2
Not Yet Reviewed
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 415, Each
Part Number: HPE-LS02C
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
CRATE ENGINE
Part Number: HPE-HPLH6N
Not Yet Reviewed
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
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Forged Crankshaft, +20cc Dome Pistons, Each
Part Number: HPE-SP41-1P
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Short Block, Chrysler Gen III 392, Internally Balanced, Nitrous/Boost, +2cc Flat Pistons, Each
Part Number: HPE-SP97-B
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
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: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
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