Availability
ATK High Performance Engines Parts and Accessories
Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each
Part Number: HPE-13ZB
Estimated Ship Date: Today
Estimated Ship Date: Today
Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each
Part Number: HPE-SP78
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 1 Crate Engine, Marine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP90
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 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: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
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: Today
Estimated Ship Date: Today
Short Block Engine, Chevy LS 408 Short Block, Remanufactured, Assembled, Internal Balance, 9.240 in. Deck Height, Chevrolet, 6.7L, Each
Part Number: HPE-SP36-B
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Crate Engine, GM 383 Stroker 500HP Stage 3, Long Block, Aluminum Heads, Intake Manifold, Carburetor, Each
Part Number: HPE-HP55C
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP33C
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP08
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each
Part Number: HPE-HP291PM
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Cylinder Head, SBC, Aluminum, 66cc Chamber, 219cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Chevy, Each
Part Number: HPE-HPSBC220
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2121
Estimated Ship Date: Today
Crate Engines, GM 408 LQ4 550 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-408BOOSTLB
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, FiTech EFI, Aluminum Heads, Each
Part Number: HPE-HP93C-EFI
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +29cc Dish Pistons, Each
Part Number: HPE-SP40-G4-B
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged I Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each
Part Number: HPE-SP52NB
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Cylinder Head, 205cc SBF, Aluminum, 58cc Chamber, 203cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Ford, Each
Part Number: HPE-HPSBF205
Not Yet Reviewed
Estimated Ship Date: Feb 1, 2027 if ordered today
Estimated Ship Date: Feb 1, 2027 if ordered today
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
Estimated Ship Date: Today
Estimated Ship Date: 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: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
Short Block, Chevrolet LS Gen IV 370, Internally Balanced, 58 Tooth Reluctor, +3.2cc Flat Top Pistons, Each
Part Number: HPE-SP95-G4
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
High Performance Engine Ford 363CI 500HP Complete
Part Number: HPE-HP118CBLK
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 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: Feb 2, 2027 if ordered today
Estimated Ship Date: Feb 2, 2027 if ordered today
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