Availability
2003 Engines & Components
Piston, Hypereutectic, Flat, 3.799 in. Bore, Chevy, 4.8L, 5.3L, Set of 8
Part Number: SLP-H1132CPA50MM
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Racing™ Stage 4 Pro LS Single Plane Cam, 240/252 106 +0, .569 Lift, LS1 LS2 LS6 LS3 LS7 LQ4, Each
Part Number: SUM-8703
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 2618 Forged Piston, 3.785 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-1109273785-5
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pan Baffle, Aluminum, Natural, Chevy, 5.7L LS, Each
Part Number: IRP-EGM-202
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, International, 7.6L, Set
Part Number: CLE-MS1343H
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Power Steering Pulley, Serpentine, 6-Groove, Press Fit, GM Type II, Billet Aluminum, Black Anodized, 6.375 in. O.D., Chevy, C5/C6, Each
Part Number: TN1-401-002
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Harmonic Balancer, Nodular Iron, Black, 7.720 in. o.d., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each
Part Number: RNB-594-209
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pickup, Bolt-In, Stock Pan Style, 0.750 in. Tube Dia., Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0L, Each
Part Number: MEL-324S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16
Part Number: SCC-SCP3014
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 8mm, 14mm, Ford, 6.0L, Powerstroke Diesel, Kit
Part Number: GFN-HSK60
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pump, High Pressure, HPOP, High Volume, High-Pressure, Ford, 7.3L, Each
Part Number: BDD-BOSHPOP-008X
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valves, LS Series, Intake, Stainless, 2.000 in. Diameter, 0.314 in. Stem, 4.870 in. Long, 1-Groove, Swirl Polish, Chevy, 4.8-6.0L, Each
Part Number: EW1-218200P
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rod Bearing, P Series, .010 in. Crankshaft Undersize, Tri Metal, Small Journal, Chevy, 265, 283, 302, 327, Each
Part Number: CLE-CB745P10
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arms, Elite Series, Adjustable, Full Roller, Stainless Steel, Natural, Needle Bearing Trunnions, 1.7 Ratio, 8mm Stud, Chevy, Set of 16
Part Number: PQX-60375417
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Harmonic Balancer, External Balance, Steel, Black, Ford, Powerstroke Diesel, Each
Part Number: FLU-720211
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Camshaft, KIT-ENGINE CAMSHAFT/LIFTER
Part Number: MEL-CL-MC1401
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8
Part Number: HSN-C5532030
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Harmonic Damper, External Balance, 7.25 in. Diameter, Chrysler, Dodge, Jeep, Each
Part Number: MLL-BPP360
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Connecting Rods, ESP 4340 Steel H-Beam, 6.125 in. Length, Cap Screw, Bushed, Chevy, Small Block, LS1, Set of 8
Part Number: ESP-6125O3D2000
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Lifters, OE Style, Hydraulic Roller, Fast Bleed, Chevy, Set of 16
Part Number: HRS-91113FB
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crate Engine, Remanufactured, Long Block, Assembled, Chevrolet, GMC, Workhorse, 8.1L/496, Each
Part Number: VRE-DCWC
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Rocker Arm Kit, Includes 3/8 in. Studs, Nuts, 1.8 Ratio Full Roller Rockers, Guide Plates, Chevy, 5.7L, Kit
Part Number: CCA-16755-KIT
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5
Part Number: KGB-MB5293MC
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bolts, Side Bolts Only, 6-bolt Style, Hex, Chevy, LS, Set of 10
Part Number: SUM-910229-3
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pump and Pickup Assembly, Standard-Volume, Chevy, Small Block, Kit
Part Number: MOR-22124
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
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Circle Track
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