Engines & Components
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Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Showing In Stock Items. Show All 230 Items.
Cylinder Head, Pro 1, Aluminum, Assembled, 49cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Each
Part Number: DRT-11511122PF
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BUILD IT WITH SUMMIT!
Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each
Part Number: SUM-150216
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Cylinder Head, Pro 1, Aluminum, Bare, 121cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19300030
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arms, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Black Oxide, Chevy, Rectangular Port LS, Set of 16
Part Number: CCA-1678-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Rocker Arms, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Black Oxide, Chevy, Rectangular Port LS, Set of 8
Part Number: CCA-1678-8
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Black Oxide, Chevy, Rectangular Port LS, Each
Part Number: CCA-1678-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
ROCKER ARMS, GM LS3 1.8 3/8 ULTRA PRO MAG
Part Number: CCA-1676-8
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Pedestal Mounting, Chevy, Each
Part Number: CCA-1677-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arms, Stud Mount, Full Roller, Steel, 1.52 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 8
Part Number: CCA-1607-8
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Rocker Arms, Stud Mount, Full Roller, Steel, 1.52 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 8
Part Number: CCA-1608-8
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arms, Stud Mount, Full Roller, Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 8
Part Number: CCA-1609-8
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arms, Stud Mount, Full Roller, Steel, 1.52 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Each
Part Number: CCA-1607-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm, Full Roller, 1.52 Ratio, Chromoly Steel, Black Oxide, 7/16 in. Stud Size, Chevy, Small Block, Each
Part Number: CCA-1608-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm, Full Roller, 1.6 Ratio, Chromoly Steel, Black Oxide, for 3/8 in. Stud, Chevy, Small Block, Each
Part Number: CCA-1609-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm, Full Roller, 1.6 Ratio, Chromoly Steel, Black Oxide, 7/16 in. Stud Size, Chevy, Small Block, Each
Part Number: CCA-1610-1
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Rocker Arms, Shaft Mount, 1.7 Ratio, Aluminum, Roller Rockers, Chevy, Big Block with Brodix/Dart/Pro 1 Heads, Kit
Part Number: CCA-1505
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
This product may not be eligible for select promotional offers
CHEV 632 BB COMP/DYNO
Part Number: HPE-HP108C
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
This product may not be eligible for select promotional offers
Main Cap Bolts, Pro Series, Chrysler 273-440 Wedge, Hex Head, kit
Part Number: ARP-140-5003
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker System, Shaft, Full Roller, 1.7 Ratio, Shims, for Pro Comp Big Block Chevy Cylinder Heads, Kit
Part Number: JES-KSS-267070
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Heads, CNC Blended Bowls, Aluminum, Assembled, 117cc Chamber, 325cc Intake, Chevy, Big Block, Pair
Part Number: AFR-2101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bolts, Pro Series, 2-Bolt Main, Ford, Big Block FE, 390-427-428, 12 Point, Kit
Part Number: ARP-155-5201
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bolts, Pro Series, 12-Point, 4-Bolt Main, Chevy 1967-2002, 350, Kit
Part Number: ARP-234-5201
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Cover Wing Nuts, Black Crinkle, Blue Mopar Emblem on Top, Set of 4
Part Number: PRO-440-756
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Cap Bolts, Pro Series, Chrysler 273-440 Wedge, 12 Point, kit
Part Number: ARP-140-5002
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Cover Wing Nuts, Chrome, Blue Mopar Emblem on Top, Set of 4
Part Number: PRO-440-902
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Cover Wing Nuts, Shark Gray, Recessed Omega "M" Emblem on Top, Set of 4
Part Number: PRO-440-886
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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