Availability
ATK High Performance Engines Engines & Components
Crate Engine, GM 383 Stroker 500HP Stage 3, Long Block, Aluminum Heads, Intake Manifold, Carburetor, Each
Part Number: HPE-HP55C
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engine, Ford 347 Stroker 450 HP Stage 2 Long Block, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each
Part Number: HPE-HP100M
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engine, Ford 302 375 HP Stage 3 Long Block with EFI, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each
Part Number: HPE-HP78C-EFI
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each
Part Number: HPE-HP20
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP78
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
CRATE ENGINE, Mopar 360 Mag 350+HP
Part Number: HPE-HP113
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L
Part Number: HPE-HP46C-MAG
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
FORD 302 64-86 TRUCK DROPIN
Part Number: HPE-HP99FT
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine Assembly, Short Block, LQ4, Chevy, Small Block LS, 364, Each
Part Number: HPE-SP19
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
CHEVY 377 STROKER SHORT BLOCK
Part Number: HPE-SP15NB
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +5cc Flat Top Pistons, Forged 4340 Steel Crankshaft, Each
Part Number: HPE-SP53
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Cylinder Head, 255cc, Intake Runner, 69 cc Combustion Chamber Volume, Assembled, 2.160 Intake Valve Diameter, Angled Plug, LS, Chevy Each.
Part Number: HPE-2CT13S1
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engine, Mopar 360 Small Block Stage 2, 320 HP, Long Block, External Engine Balance, Magnum Heads, Each
Part Number: HPE-HP73M
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP109
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each
Part Number: HPE-SP35
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engine, GM LM7, Long Block, Hydraulic Roller, 1-Piece RMS, Internal Engine Balance, with AFR Aluminum Heads, 58x Setup, Chevy, 5.3L, Each
Part Number: HPE-HP116-G4
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each
Part Number: HPE-SP115
Not Yet Reviewed
Estimated Ship Date: Jun 18, 2026 if ordered today
Estimated Ship Date: Jun 18, 2026 if ordered today
Cylinder Head, 290cc BBC, Aluminum, 113cc Chamber, 294cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each
Part Number: HPE-HPBBC290
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +3.7cc Flat Top Pistons, Each
Part Number: HPE-SP52
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 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: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Jeep 3.8L Nodular Iron Crankshaft 1991-2011
Part Number: HPE-B842310N
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Cylinder Head, 185cc SBF, Aluminum, 58cc Chamber, 2.020 in. Intake/1.600 in. Exhaust Valves, 0.625 in. Max Lift, 3/8 in. Rocker Arm Studs, Ford, Each
Part Number: HPE-HPSBF185
Not Yet Reviewed
Estimated Ship Date: Jun 18, 2026 if ordered today
Estimated Ship Date: Jun 18, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
FLOTEK 185cc Small Block Ford Thumper Cylinder Heads 185-505
Estimated Ship Date: Monday 3/23/2026
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each
Part Number: HPE-HP80
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Heads, without MDS, Chrysler, Dodge, Jeep, 5.7L, Each
Part Number: HPE-HP103T
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Crate Engine, Mopar 360 Small Block Stage 3, 320 HP, Long Block, External Engine Balance, Magnum Heads, EFI, Each
Part Number: HPE-HP73C-EFI
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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