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ATK High Performance Engines was founded in 1936 and continues to set new standards for remanufactured high performance engines. ATK was the first to offer a “new...
ATK High Performance Engines was founded in 1936 and continues to set new standards for remanufactured high performance engines. ATK was the first to offer a “new car” style warranty with its engines—an exclusive 24-month/unlimited mile warranty on every engine! And the company is dedicated to helping you set new standards on the street or track, too. ATK offers its GM, Ford, and Chrysler performance engines in three stages to help you achieve your specific performance goals. Shop Summit Racing for a full line of base, mid-level, and high performance ATK engines built with proven, high-quality components....
ATK High Performance Engines was founded in 1936 and continues to set new standards for remanufactured high performance engines. ATK was the first to offer a “new car” style warranty with its engines—an exclusive 24-month/unlimited mile warranty on every engine! And the company is dedicated to helping you set new standards on the street or track, too. ATK offers its GM, Ford, and Chrysler performance engines in three stages to help you achieve your specific performance goals. Shop Summit Racing for a full line of base, mid-level, and high performance ATK engines built with proven, high-quality components. Give your ride a power transplant with ATK High Performance Engines!
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: Today
Estimated Ship Date: 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 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 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
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 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each
Part Number: HPE-HPBBC315
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each
Part Number: HPE-HP55M
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Crate Engines, GM 489 Stroker 565 HP Stage 2 Long Block, 8.0L/489, Assembled, Intake Manifold, Aluminum Heads, Chevrolet, 7.4L Gen V, 8.0L Gen V, Each
Part Number: HPE-HP411PM
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 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: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 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: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each
Part Number: HPE-HP99C
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 2 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP79M
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Base Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each
Part Number: HPE-HP98
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Performance, Complete Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, 4-Bolt Main, Internal/External Balance, Chevy, 350, Each
Part Number: HPE-HP98C
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, GM 350, Stage 1, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each
Part Number: HPE-HP291P
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP94M
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 3 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
Part Number: HPE-HP32C
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
Part Number: HPE-HP32M
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Crate Engine, Mid Dress Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each
Part Number: HPE-HP98M
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
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