2003 Parts and Accessories

Clutch Kit, RST Street Twin, Organic, 1.125 in. - 26, Billet Steel Flywheel, Chevy, Pontiac, Small Block LS, Kit

Part Number: MCL-6405507

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-904

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Intake Manifold, Fuel-Injected, Polymer, Black, Chevy, LS1, LS2, LS6, Each

Part Number: FST-146302B

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Computer, Engine Control Unit, With Transmission Control, Chevy, LS, Each

Part Number: FIF-70051

3.77 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Clutch Kit, Street Twin, Ceramic, 1 1/8 in- 26, Billet Steel Flywheel, Diaphram, Pilot Bushing, Chevy, LS, Kit

Part Number: MCL-6405507M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Steering Gear, Big Bore, Front Steer, Power Assist, 14:1 Ratio, Cast Iron, Black, Dodge, Each

Part Number: PFN-SG853

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Connecting Rods, Forged 3-Pocket Beam, 6.125 in. Length, ARP2000 Bolts, 692g, Chevy LS Engines/Gen V LT, Set

Part Number: BLN-LS6125-927

Not Yet Reviewed

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Connecting Rod, Compstar Extreme, Forged 4340 Steel, H-Beam, Cap Screw, ARP 2000, Bushed, 6.125 in. Length, Chevy, Small Block, LS, Set of 8

Part Number: CPI-C6125DS2A2AX

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.46" Springs, Chromoly Retain, Small Mopar, Each

Part Number: TFS-61417801-C00

5.0 out of 5 stars ( 6 )

Estimated Ship Date: May 7, 2026 if ordered today

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.71 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, Titanium Retainers, GM LS1, Each

Part Number: TFS-3061T001

Not Yet Reviewed

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Intake Manifold, Fuel-Injected, Polymer, Black, 102mm Throttle Body, Big Mouth, Billet, Chevy, LS1, LS2, LS6, Kit

Part Number: FST-146302B-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Disc Brake, Big Brake, Front, Drilled/Slotted Rotors, 6-piston Caliper, Black, Buick, Chevy, GMC, Olds Pontiac

Part Number: WIL-140-12837-D

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Head, Performer RPM, Aluminum, Assembled, 58cc, 176cc Intake Runner, Dodge, Jeep, 5.2, 5.9L, Each

Part Number: EDL-61775

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Intake Manifold, Performer RPM LS1, Aluminum, Timing Control Module, Chevy, LS1, 4.8L, 5.3L, 5.7L, 6.0L, Kit

Part Number: EDL-7118

4.1 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0002

Not Yet Reviewed

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Intake Manifold, Fuel-Injected, Complete, Polymer, Black, Chevy, LS, Each

Part Number: FST-146602B

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Cylinder Head Studs, Custom Age, 12-Point Head, Dodge, Cummins Diesel, 24 Valve, Kit

Part Number: ARP-247-4204

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367807

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

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