2003 Parts and Accessories

Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 2cc dome, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943780-2F

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7807

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8107

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Battery, Yellow Top, 12 V, Deep Cycle, 450 Cold Cranking Amps, Top Post, Group 51R, Each

Part Number: ULT-9073-167

4.91 out of 5 stars ( 23 )

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Summit Factory Performance Stage 3 LS Single Plane Cam, 236/246 110 +0 .612/.612 Lift, LS1 LS2 LS6 LS3 LQ9, Summit's version of Factory LSX 454 cam

Part Number: SUM-8702

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.7 Ratio, Chevy, LS, Set of 16

Part Number: SUM-G6980

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Head Gasket, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, 5.7, 6.0L, 6.2L, Each

Part Number: CGT-C5751-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Gear Lube, Transmission Fluid and Gear Oil, 75W140, Synthetic, 1 qt., Each

Part Number: RED-57914

4.22 out of 5 stars ( 18 )

Cannot be shipped Internationally if shipped by air

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Battery, 12 V, AGM, 740 Cranking Amps at 32 Degrees F, Top Post, 7.97 in. Length, 6.69 in. Width, 6.75 in. Height, Each

Part Number: XSP-S1200

4.0 out of 5 stars ( 8 )

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Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pistons, Forged, Flat, 4.030 in. Bore, 350 Chevy, Set of 8

Part Number: DMS-8700-4030

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Clutch Kit, RST Twin Disc Power Pack, 8-Bolt, 26-Spline, 1.125 in. Input Shaft Diameter, 9.688 in. Disc Diameter, Metallic Disc, Unsprung Hub, Kit

Part Number: MCL-6435807

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Battery, Yellow Top, 12 V, Deep Cycle, Starting, 650 Cold Cranking Amps, Top/Side Post, BCI Group D75/25, Each

Part Number: ULT-9042-218

4.93 out of 5 stars ( 30 )

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400058

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Valve Spring Removal Tool, Chevy, Chrysler, Dodge, Ford/Plymouth, Each

Part Number: LSM-SC-200

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pro LS Piston and Rod Kit, 325 Cid, 3.780 bore, Standard 3.622 stroke, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367802

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block, Set of 12

Part Number: STG-8911

4.51 out of 5 stars ( 57 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Summit Factory Performance Stage 2 LS Cam, 227/239 108 L/S, .551/.551 Lift, Vortec LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Summit's version of Factory Stage 2

Part Number: SUM-8704

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Driveshaft, Rear, Balanced, One-piece, Assembled, Aluminum, 31-spline Yoke, TKO Swap, 79-95 Ford Mustang, Each

Part Number: SUM-790303

4.46 out of 5 stars ( 24 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Starter, DynaForce, Mini, Red, Inline Bolt Pattern, Chevy, LS, Each

Part Number: MSD-5096

4.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Oil Pickup, Bolt-In, Street/Strip Pan Style, Chevy, LS, 5.7L, Each

Part Number: MOR-24050

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Exhaust Hanger, Steel, 9.5 in. Long, Clamp-On, Universal, Each

Part Number: WLK-35103

4.73 out of 5 stars ( 37 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 261/269, Lift .550/.550, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8719-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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