2003 Parts and Accessories

Rocker Arm Bolts, Pro Series, M8 x 1.25mm Thread, 2.560 in. Effective Stud Length, Kit

Part Number: ARP-234-7207

4.8 out of 5 stars ( 15 )

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

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Spindles, Ductile Iron, 2 in. Drop, Cadillac, Chevy, GMC, SUV/Pickup, Pair

Part Number: MMC-33004

5.0 out of 5 stars ( 1 )

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

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Oil Galley Plug Kit, "LS Dogbone or Barbell", Gen III/IV LS, Billet Aluminum, Kit includes barbell, Oil pan bypass delete, and pickup tube brace.

Part Number: SUM-120116

5.0 out of 5 stars ( 6 )

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

Harmonic Balancer, Internal Balance, Steel, Black, Toyota, 2JZ, 1JZ, Each

Part Number: FLU-840801

5.0 out of 5 stars ( 4 )

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

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Headers, Long Tube One-Piece, 1 5/8 in. Primaries, Round Port, 3 in. Collectors, 2 1/2 in. Reducers, Steel, Natural, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69720

5.0 out of 5 stars ( 1 )

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

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Battery, RSV Titan8, Lithium, BCI Group 34, 16 Volt, 3,500 Watts, 1,000 Max Amps, 322 Energy Watts, 10.24 in. L, 7.16 in. H, 6.89 in. W, 12 lbs., Each

Part Number: XSP-RSV-S7-1600

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

• Restricted
• Ground Shipping Fee $30.00

Starters, PowerMax Plus, Offset Gear Reduction Style, Standard Rotation, 3.70:1 Gear Reduction Ratio, 168-tooth, Chevy, Pontiac, Small Block LS, Each

Part Number: PWM-9004-9

4.7 out of 5 stars ( 10 )

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

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Water Pump, Electric, 55 gpm, Billet Aluminum, Black Anodized, Chevy, LS, Each

Part Number: MEZ-WP319S

4.6 out of 5 stars ( 5 )

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

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Pistons, Pro Tru Street Pistons, 4.030 in. Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit

Part Number: WIS-PTS523A3

4.75 out of 5 stars ( 4 )

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

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1997-03 GM Gen.3 LS Head Bolts, Zinc Plated, Steel, Hex, Torque To Yield, Kit

Part Number: SUM-910210

3.86 out of 5 stars ( 14 )

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

Engine Oil Dipstick, Midnight Series Anchor-Tight Locking Flexible, Passenger Side, Billet Aluminum, Black Anodized, Chevy, SB, LS, Car, Each

Part Number: LOK-X1220227

3.67 out of 5 stars ( 3 )

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

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Pro LS 2618 Forged Piston, 4.030 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-299927403012

5.0 out of 5 stars ( 1 )

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

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Lifter Valley Cover, Billet Aluminum, Natural, 0.250 in. Thick, Chevy, Each

Part Number: ICB-551629G

4.8 out of 5 stars ( 20 )

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

Lifters, Hydraulic Roller, Street Series, Vertical Bar, Chrysler, Small Block LA, Magnum, Set of 16

Part Number: HRS-91764

4.33 out of 5 stars ( 3 )

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

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Flexplate Spacer, Crankshaft, Steel, Natural, Chevy GM, LS/LSX, Gen III/IV, Includes Bolts, Kit

Part Number: SUM-704000

4.75 out of 5 stars ( 28 )

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

Connecting Rod Bolts, Pro Series, 2000 Alloy, Chevy, LS, Kit

Part Number: ARP-234-6301

5.0 out of 5 stars ( 12 )

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

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Engine Steam Line Fitting, Male Connector Type, -4 AN Size, Aluminum, Black, Chevy, Small Block LS, Each

Part Number: TFS-30600611

4.0 out of 5 stars ( 8 )

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

Wiring Harness, Fuel Injection, GM, SFI, LS1, Engine Swap, Front Mount Fuse Block, Standard Length, Universal

Part Number: PRF-60508

4.8 out of 5 stars ( 5 )

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

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Harmonic Balancer Wrench, Use 1/2 in. Ratchet, Chevy, LS1, Steel, Zinc Plated, Each

Part Number: SME-906008

2.89 out of 5 stars ( 27 )

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

Water Pump, Electric, 35 gpm, Billet Aluminum, Black Anodized, Chevy, Big Block, Each

Part Number: MEZ-WP100S

5.0 out of 5 stars ( 2 )

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

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Alternators and Generators, Elite Series Billet Alternators, 12 V, 400 amps, Black Anodized, Serpentine, Buick, Cadillac, Chevy, GMC, Hummer, Each

Part Number: MEH-B8206400B

Not Yet Reviewed

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

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP1014

4.91 out of 5 stars ( 11 )

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

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Engine Stand, Engine Block Adapter Plate, SBC,BBC,LS, Duramax, Billet Aluminum, Natural, Each

Part Number: SUM-918019

5.0 out of 5 stars ( 4 )

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

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Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.45 out of 5 stars ( 101 )

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

Header Studs, 12-Point Nuts, Stainless Steel, Polished, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: ARP-434-1301

4.79 out of 5 stars ( 24 )

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

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