Availability
2003 Parts and Accessories
Lifters/Trays/Bolts, Hydraulic Roller, Chevy, LS Gen. 3 and 4, Gen. 5 LT, Kit
Part Number: SUM-HTLSKIT3
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Single, Beehive, 1.260 in. O.D., 285 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: BTC-SP011-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust Manifolds, High Silicon Ductile Iron, Black Ceramic Coated, Chevy, LS Series Engines, Pair
Part Number: SUM-G9084B
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Transmission Fluid, Max ATF, Synthetic, Quart, Each
Part Number: RPO-01320
Cannot be shipped Internationally
Cannot be shipped Internationally
Harness, Coil Pack, Pro Series, For 58X Reluctor, Chevy, LS, Pair
Part Number: WRS-WSLS3CPH
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Shock, 5100 Series, Monotube, Stok Height, Lifted 1 in., Rear, Ford, Each
Part Number: BSN-24-186025
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Transmission Fluid, Manual, 10W, Synthetic, Quart, Each
Part Number: RPO-01512
Cannot be shipped Internationally
Cannot be shipped Internationally
Pistons, Pro Tru Street, Forged, Dome, 4.000 in. Bore, Chevy, 6.0L LS, Set of 8
Part Number: WIS-PTS523AS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Computer Programmer, SCT Livewire TS Plus, Handheld, Ford, Lincoln, Mercury, Each
Part Number: SCL-5015P
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R24409035
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-926
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rod Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807HPN
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Hex, Each
Part Number: NGK-1465
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5489-040
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1218-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crate Engine, Remanufactured, Long Block, Assembled, GM, 5.3L, 4WD, Each
Part Number: VRE-VCT84WD
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97
Estimated Ship Date: Tomorrow
Battery, Dry Cell, 12 V, Deep Cycle/Starting, 1,150 Cold Cranking Amps, Top Stud, 31 Group, Each
Part Number: ODY-31-PC2150S
Cannot be shipped Internationally
Cannot be shipped Internationally
Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in x 8.0 in., 5 x 4.75 in. Bolt Circle, 4.80 in. Backspace, Each
Part Number: CRR-61C583447
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Electric Water Pump, Aluminum, 55 GHP, Black Anodized, GM LS Engines, Each
Part Number: MEZ-WP333S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wheel, Torq-Thrust D, Aluminum, Gray, 15 in. x 7 in., 5 x 4.50 in. Bolt Circle, 3.76 in. Backspace, Each
Part Number: ARE-VN1055765
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Shock, 5100 Series, Monotube, Front, Chevy, GMC, 4WD, Each
Part Number: BSN-24-186735
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Head Gasket, Cadillac, Chevy, GMC/Hummer, Chevy, Small Block, LS6, Each
Part Number: FEL-26192PT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Tire, Star Series, 215/75-15, Radial, 2.500 in. Wide Whitewall, T Speed Rating, Each
Part Number: COK-737112
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-2M4860
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Circle Track
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