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.
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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
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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
Crate Engines, Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block, 8.2L/502, Assembled, Aluminum Cylinder Heads, Chevrolet, 7.4L, 8.2L, Each
Part Number: MLL-PS502CTC
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Studs, Pro Series, 12-Point Head, M11 and M8, 5 1/8 in. and 2 1/2 in. Lengths, 8740 Material, Chevy, 4.8, 5.3, 5.7, 6.0L, LS, Kit
Part Number: ARP-234-4317
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
Cylinder Head Bolts, Pro Series, Hex Head, Chevy, 4.8, 5.3, 6.0L, 2004 and Newer, Kit
Part Number: ARP-134-3610
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Long Block Iron Block 427 c.i. GM LS style proseries engine - longblock. incl. 30 month / 50,000 warranty & Dyno
Part Number: MLL-PSLS42730CT
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
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
Pro SBC Stage 1 Hyd. Roller Cam, 204/214 Dur., 112 LSA + 1 Adv, .450/.450 1.5 Ratio, .480/.480 1.6 Ratio, Idle-5800 Range, '87-02 Gen 1 Roller Block
Part Number: SUM-8800
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Dressed Longblock, Big Block Chevy, 540ci Stroker, BBC Crate Motor, Standard Deck Height, 670HP
Part Number: MLL-PS5401CTC
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Crate Engine, Long Block, GM LS Series 376 C.I.D., 520 HP, Internal Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each
Part Number: MLL-PSLS37630CT
Not Yet Reviewed
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
Crate Engine, Dressed, Long Block, 427 Stroker, 540 HP, 535 TQ, New Block, Aluminum Heads, 4-Bolt Mains, Chevrolet, Small Block, Each
Part Number: MLL-PS4272CTC1
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Pro Series, Long Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each
Part Number: MLL-PS502CT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro SBC Hyd. Roller Hot Cam Plus, 218/227 Dur., 112 LSA + 1, .525/.520 1.5 Ratio, .560/.555 1.6 Ratio, 1800-6300 RPM Range, '87-02 Gen 1 Roller Block
Part Number: SUM-8802
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engine, Base Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each
Part Number: MLL-PSLS37630CTF
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
Combo, Cam and Springs, Duration 212/22X, Lift .552/.552, Springs, Chevy, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Kit
Part Number: CMB-09-0041
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
Rocker Arms, 1.7 Ratio, 7/16 in. Stud, Full Roller, Stainless Steel, Polished, Big Block Chevy, BBC, Set of 16
Part Number: SUM-G6995
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit E303 Plus Hyd. Roller Cam, 220/231 Duration, 113 LSA + 0 Adv, .550/.540 1.6 Ratio, .585/.574 1.7 Ratio, 2500-6000 Range, 85-1996 Roller Block
Part Number: SUM-8900
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm; Ultra Pro Magnum; Rocker Arm; Stud 7/16 in. Ratio 1.7 in.; Chevy Big Block 396-454 cid; 16 pc.
Part Number: CCA-1620-16
Estimated Ship Date: Today
Estimated Ship Date: Today
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Summit Racing™ Pro LS Connecting Rods SUM-LS6098945
