Availability
Pro LS 2618 Forged Piston, 3.903 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273903-3
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.045 in. Thick, 377 lbs./in., Factory Valve Guides, Kit
Part Number: BTC-SK001S0545BB
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pan, Steel, Spin-On Filter, Zinc Iridited, 7 Qt. Capacity, Chevy, LS, Kit
Part Number: SUM-G3612-K
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Electric Fan, Puller, Dual, 11 in. Diameter, 2,460 CFM, 12 V, Plastic, Shroud, Fits DeWitts Direct Fit Radiators, Chevrolet, Corvette, Kit
Part Number: DWR-SP463
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Factory Performance Stage 1 LS Circle Track Cam, 225/236 110+1, .525/.525 Lift, Vortec LS1 LS2 LS6 LS3 LQ4, Summit's version of the ASA Cam
Part Number: SUM-8700
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft Kit, Pro LS Single Plane, Hydraulic Roller Tappet, Advertised Duration 290/305, Lift .551/.551, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-8704-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each
Part Number: ETP-E3-54
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Connecting Rod, Pro Comp, 4340, I-Beam, 12-Point, Cap Screw, 6.125 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-26125716
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Motor Plate, Billet Aluminum, Natural, Front-Mount, Chevy, Small Block, Each
Part Number: ICB-551805
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harnesses, Holley EFI, LS1/6, 24X/1X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 4.8-6.0L, Each
Part Number: HLY-558-133
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Covers, Cast Aluminum, Big Block Chevy Style for LS, Tonawanda Decals, Oil Filler, Breather Tube, Centerbolt, 2 in. Tall, Chrome, Chevy, Pair
Part Number: LSS-GMLS1003C
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Intake Manifolds, EFI, Hi-Ram, Multi-port, Top Only, 105mm Bore, Cast Aluminum, Satin Finish, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L,Each
Part Number: HLY-300-246
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injectors, 72 lbs./hr. Advertised Flow Rate, USCAR Style, Wiring Harness, Chevrolet, GMC, Set of 8
Part Number: DWK-35U0100728
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust Manifolds, Cast Iron, Natural, Chevy, LS Series Engines, Pair
Part Number: HOK-8504HKR
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Black, 8.65mm Diameter, 135-Degree Boots, Set of 8
Part Number: MOR-73850
Estimated Ship Date: Tomorrow
Special Offer
Buy these Plug Wires and get a pair of Mechanics Gloves!
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-903T
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Harmonic Balancer, Supercharged Series, Internal Balance, Aluminum/Steel, 6 percent Overdriven, Chevy, 6.2L LS3
Part Number: ATI-918625
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Long Tube, Stainless Steel, Natural, 2.00 in. Tube, 3.00 in. Collector, Chevrolet, Pair
Part Number: KOK-21612601
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Harmonic Balancer, Super Damper, Internal Balance, SFI 18.1, 360 Degree Marking, 7.50 in. Dia., 6-Groove, with A/C, Steel, Chevy, Pontiac, 5.7L Each
Part Number: ATI-917242
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft Reluctor Wheel, 58 Tooth, Chevy, Small Block, LS, Each
Part Number: NAL-12586768
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Motor Plate, Front, Aluminum, 1/4 in. Thick, Chevy, LS, Each
Part Number: SUM-01-9040
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pan, Street/Strip, Wet Sump, Stroker Clearanced, 4.250 in. Max Stroke, 7 Qt. Capacity, Steel, Black Powdercoated, Chevy, Small Block, Each
Part Number: MOR-20139
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Hub, Replacement, Harmonic Balancer Component, Chevy, Pontiac, Each
Part Number: ATI-916037A
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flywheel, 168-tooth, Internal Engine Balance, Steel, 1-piece Rear Main, Extended Crankshaft, Chevy, 6.0L, Each
Part Number: MCL-460537
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Street, Shorty, Steel, Silver Ceramic Coated, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair
Part Number: HED-69696
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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