2003 Parts and Accessories

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RST Street Twin, 1 1/8 in. x 26-Spline, 9.687 in. Diameter, LS1/LS6/Mustang 11 in. Pressure Plate Pattern w/Dowels, Chevy, Ford, Kit

Part Number: MCL-6912-07

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.687 in. Diameter Disc, Chevrolet, Ford, Kit

Part Number: MCL-6913-07

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Lifters, Hydraulic Roller, 0.842 in. O.D., Buick, Chevrolet, Pontiac, Set of 16

Part Number: CXM-J-2110R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Computer, Engine Control Unit, Without Transmission Control, Chevy, LS, Each

Part Number: FIF-70050

3.84 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-1947-OK-HD

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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HP Tuner, MPVI4, Pro Feature Set, 8 Universal Credits, Kit

Part Number: HPT-M04-000-08

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cam and Lifter kit, Pro SBC Retrofit Stage 2 Hyd.Roller LS Firing Order, 218/227 Dur., 110 LSA + 1 Adv, .525/.520 1.5 Ratio, 1800-6250 RPM Range

Part Number: SUM-K1222

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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• $75 Summit Bucks

Suspension Lowering Kit, Spindle, Flip Kit, 4 in. Front, 6 in. Rear, Chevy, GMC, Kit

Part Number: MMC-93020

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Electric Water Pump, Aluminum, 55 GHP, Black Anodized, GM LS Engines, Each

Part Number: MEZ-WP333S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Radiator, Direct-Fit Pro-Series, Aluminum, Natural, Manual Transmission, Chevy, Each

Part Number: DWR-1139097M

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Coilover Kit, Pro Coilover System, Front, Single Adjustable, Ford, Pair

Part Number: QA1-MS431-09550

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Intake Manifold, Fuel Injected, Standard Deck, Multi-Port, 6,000-8,000 RPM, 102mm Bore, Cathedral Port, Black Powdercoat, Chevy, Small Block LS, Each

Part Number: BTC-IMA-01BLK

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cam and Lifter kit, Pro SBC Retrofit Stage 3 Hyd. Roller LS Firing Order, 224/232 Dur., 110 LSA + 2 Adv, .550/.540 1.5 Ratio, 2000-6300 RPM Range

Part Number: SUM-K1223

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Camshaft Set, Hydraulic Roller, Adv. Duration 262/264, Lift .550/.550, Lobe Sep. 112, Ford 4.6L/5.4L 2V, Pair

Part Number: TFS-51802001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-13125-OK

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Carburetors, Model 4160, Marine, 600 cfm, 4-Barrel, Square Bore, Electric Choke, Vacuum Secondaries, Single Inlet, Gold Dichromate, Each

Part Number: HLY-0-80492

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Differential, Eaton Detroit Truetrac, 1.370 in. Axle Shaft Diameter, 34-Spline, Ford, 9.75 in., Each

Part Number: ETN-913A477

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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• $75 Summit Bucks

Connecting Rods, H-beam, Forged 4340 Steel, Magnafluxed, 6.125 in. Length Center To Center, Chevrolet, Small Block LS, Set of 8

Part Number: BTC-S0368

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Shock/Strut, Monotube, Gas Charged, Double Adjustable, Front, Ford, Mustang, Each

Part Number: AFC-30030

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Intake Manifold, Trinity Series, Cathedral Port LS1/LS2/LS6, Multi-port, Standard Deck, Aluminum, Black Base, Black Powdercoat Plenum, Chevy, Each

Part Number: BTC-TRA1BLKP105

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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