2003 Engines & Components

Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.55" Springs, Titanium Retain, Small Mopar, Each

Part Number: TFS-6141T783-C00

4.75 out of 5 stars ( 4 )

Estimated Ship Date: May 14, 2026 if ordered today

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Timing Chain, Replacement, Single Roller, Steel, Chevy, Small Block LS, Each

Part Number: NAL-12646387

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Rocker Arm, Standard Replacement, Steel, Chevrolet, LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113.5 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LQ9 LS9

Part Number: SUM-8711R1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Rod Bearings, Tri-metal, Copper Lead Nickel, .001 in. Extra Oil Clearance, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPNSTDX

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Lash Adjusters, Hydraulic, Ford, Modular, 2V, 4V, V8, V10, Set of 16

Part Number: TFS-21400008-16

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Oil Pump, High-Volume, Mopar, Small Block, V6, Each

Part Number: MEL-M72HV

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Timing Chain and Gears, Single Roller, Steel Sprockets, Chevy, GMC, Small Block LS, Set

Part Number: MEL-3-3SRH60SA

4.04 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

Lifter, Hydraulic Roller, Chevy, Each

Part Number: TFS-21400002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Pro LS Valve Springs, Drop in, 0.630 Max Lift, Single Beehive, 1.3 in. O.D., 340 lbs./in. Spring Rate, 1.8 in. Installed Height, Set of 16

Part Number: SUM-174005

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .523/.524, Chevy GM, LS/LSX, Gen III/IV, LS, Kit

Part Number: SUM-8701-1

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Rod Bearings, XP-Series, Performance, Narrow, Stock Size, Tri metal, Chevy, Big Block, Set of 8

Part Number: KGB-CR808XPN

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Stage 3 Pro LS Cam - Extra Valve Clearance Version, 230/242 113+3, .625/.605 Lift, Excellent power and torque, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0L

Part Number: SUM-8710R1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Lifter, Hydraulic Flat Tappet, Each

Part Number: MEL-JB-2011

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Main Bearings, Race Series, Tri-Metal, 3/4 Groove, Standard Size, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298H-STD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Oil Filter, Performance Gold, Canister, 5.88 in. Tall, 3.69 in. Diameter, 13/16 in.-16 Thread, Bypass Relief, 11-17 psi, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-3003

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 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-R24400008

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.9 Quarts, Aluminum, Black, Buick, Chevy, Ford, GMC, Mercury, Oldsmobile,Pontiac, Each

Part Number: HLY-302-3BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Internal Balance, Steel, Black, Chevy, Small Block, Big Block W, Each

Part Number: FLU-620101

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Alternator Bracket, Upper/Lower Bracket, Billet Aluminum, Natural, Cylinder Head Mount, Driver Side High Mount, Chevy, LS, Kit

Part Number: ICB-551777

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Valve Springs, RPM Series, Dual, 1.324 in. O.D., 500 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1209X-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Cam Bolt, High Performance, Chromoly, Hex Head, m8 x 1.25 mm, LS Gen III, Kit

Part Number: ARP-134-1003

4.93 out of 5 stars ( 72 )

Estimated Ship Date: Tomorrow

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri-Metal, Chevy, LS, of 5

Part Number: CLE-MS2199P

4.07 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow