2003 Parts and Accessories

Rod Bearing, H Series, Standard Size, TM-77, Chevy, Small Block, Each

Part Number: CLE-CB663HN

4.96 out of 5 stars ( 49 )

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

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: Monday 2/16/2026 if shipped by air

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Computer Programmer, X4, Handheld, Ford, Lincoln, Mercury, Each

Part Number: SCL-7015

4.14 out of 5 stars ( 74 )

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

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Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 7 in., 5 x 4.75 in. Bolt Circle, 4.000 in. Backspace

Part Number: CRR-61C573440

4.89 out of 5 stars ( 56 )

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

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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 2/16/2026 if shipped by air

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Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit

Part Number: BTC-SK001S0560BB

5.0 out of 5 stars ( 9 )

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

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Camshaft, TRUCKNORRIS, 212 Intake Duration at 0.050 in. Lift, 0.553 in./0.553 in. Lift, 107 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Each

Part Number: BTC-TRUCKNORRIS

5.0 out of 5 stars ( 4 )

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

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

Not Yet Reviewed

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

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Chevy, GMC, LS Series Truck, 4.8/5.3/6.0L, Set

Part Number: MSD-32829

4.76 out of 5 stars ( 206 )

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

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Harmonic Balancer, Internal Balance, Long Spacing, Steel, Clearcoated, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, Each

Part Number: SUM-C2520

4.6 out of 5 stars ( 48 )

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

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Electric Fan, Puller, Flex-Wave, Single, 16 in. Diameter, 3,000 cfm, Black, 18.50 amps, Each

Part Number: FLX-105390

4.7 out of 5 stars ( 106 )

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

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Cam, Stage 2, LS Truck Swap Cam, 218/227 112+2, .522/.524 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9 LH6 LM7 L96, Each

Part Number: SUM-8701R1

4.33 out of 5 stars ( 15 )

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

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Dura Grip Positraction Carrier, Traction-Loc, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26016

4.23 out of 5 stars ( 35 )

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

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Cylinder Head Bolts, High Performance, Hex Head, Chevy 1997-2003, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-134-3609

4.77 out of 5 stars ( 69 )

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

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

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

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Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-913A561

4.87 out of 5 stars ( 30 )

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

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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: Monday 2/16/2026 if shipped by air

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Lifters, Hydraulic Roller, Chevy, Set of 16

Part Number: NAL-12499225

4.71 out of 5 stars ( 52 )

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

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Lifter Guide, Hydraulic Roller Style, Plastic, Chevy, LS, Non AFM/DOD Engines, Set of 4

Part Number: SUM-150132-4

4.33 out of 5 stars ( 18 )

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

Oil Pump, High Volume, Standard Pressure, Each

Part Number: MEL-M295HV

4.93 out of 5 stars ( 30 )

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

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-177

3.64 out of 5 stars ( 14 )

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

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Stage 1 SUM-8718 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing and Efficiency, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2

Part Number: SUM-8718R1

4.56 out of 5 stars ( 25 )

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

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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: Monday 2/16/2026 if shipped by air

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Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

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

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Camshaft Thrust Plate, Solid Type, Steel, Includes Four Bolts, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-150106

4.53 out of 5 stars ( 70 )

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