Engines & Components
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Engines & Engine Parts
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.
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Crate Engine, Long Block, Chevy GM, LS/LSX, Gen III, 24x Crank Reluctor, Aluminum Heads, Each
Part Number: SUM-150153
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
BUILD IT WITH SUMMIT!
Pro LS 4340 Forged Steel H-Beam Connecting Rod, 6.125 in. Length, .927 Floating Pin, ARP 2000 7/16 in. 12 pt. Bolts, Stroker Clearanced, LS1, Set of 8
Part Number: SUM-LS6125927
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Long Block, GM LS Series 376 C.I.D., 520 HP, Internal Balance, 58x Reluctor, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each
Part Number: MLL-PSLS37630CT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Crate Engine, Fully Dressed Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each
Part Number: MLL-PSLS3763CTFK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
LS7 Lifters and Guides, Gen 3 and 4 LS plus Gen. V LT, Lifters/Trays/Bolts, Hydraulic Roller, Not for AFM equipped engines, Kit
Part Number: SUM-HTLSKIT2
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Forged Steel H-Beam connecting rod, 6.098 in. length, .945 pin, ARP 2000 7/16 12 pt. rod bolts, full floating, stroker clearanced, LS1
Part Number: SUM-LS6098945
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Complete Assembly Iron Block 427 c.i. GM LS style proseries dressed engine with efi -. incl. 30 month / 50,000 warranty & Dyno
Part Number: MLL-PSLS4273CTF
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each
Part Number: SUM-180LS400024X
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400308
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam, Stage 2, LS Truck Swap Cam, 218/227 112+2, .522/.524 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9 LH6 LM7 L96, Each
Part Number: SUM-8701R1
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pan, Engine Swap, Cast Aluminum, Natural, 6.0 Quart Capacity, 4.25 in. Stroke Clearance, Chevy, LS, V8, Each
Part Number: SUM-121200
Estimated Ship Date: Today
Estimated Ship Date: Today
Stage 1 SUM-8718 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing and Efficiency, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2
Part Number: SUM-8718R1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-177
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Main Bolts, 6-bolt Mains, Flanged Hex, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-910229
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
Estimated Ship Date: Today
Estimated Ship Date: Today
Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16
Part Number: SUM-141560
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Hydraulic Roller, Lifter Trays, Chevy, LS, Kit
Part Number: SUM-HTLSKIT1
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Set of 16
Part Number: SUM-141556
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Roller Bearing Trunnion, L92/LS9/LS3, Assembled, Heavy Duty Cast Steel, 1.7 Ratio, Rectangle Port, Chevy, Set of 16
Part Number: SUM-141554
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pan, Engine Swap, Low Profile, Aluminum, Natural, 3.620 in. Stroke, 5.7 Quarts, Chevy, 4.8, 5.3, 6.0L, Each
Part Number: HLY-302-2
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR360002
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Valley Cover without PCV, Cast Aluminum, Natural, Chevy GM, LS/LSX, Gen IV, Each
Part Number: SUM-240059
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pan, Steel, Spin-On Filter, Black Powdercoated, 7 Qt. Capacity, Chevy, LS, Kit
Part Number: SUM-G3612B-K
Estimated Ship Date: Today
Estimated Ship Date: Today
Stage 3 Pro LS Truck Swap Cam, 222/232 112+5, .550/.550 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2L LS1 LS2 LS6 LS3 LS7 LS9 LSA LQ4 LQ9 LH6 LM7, Each
Part Number: SUM-8713R1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Pro LS 2618 Forged, 4.030 bore, 8cc dish, 4.000 in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8
Part Number: SUM-1109274030-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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