2003 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS 5.3L Rotating Assemblies SUM-R58368202

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368202

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BTR Rocker Arms RKR-LS-1.7E-R1

Rocker Arm, Non-roller, 1.7 Ratio, Steel, Natural, Chevrolet, Small Block LS, Each

Part Number: BTC-RKRLS17ER1

Not Yet Reviewed

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Summit Racing™ LS Rocker Arm Bolts SME-143005

Summit Racing™ LS Rocker Arm Bolts SME-143005

Rocker Arm Bolt, Steel, Black Oxide, 8mm x 1.25, LS1/LS6 Style Rocker Arms, Set of 8

Part Number: SME-143005

4.71 out of 5 stars ( 14 )

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King XP-Series Main Bearings MB 557XPSTDX

Main Bearing, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XPSTDX

5.0 out of 5 stars ( 2 )

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BTR Camshafts BTR-HOTROD

Camshaft

Part Number: BTC-BTR-HOTROD

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ICT Billet Accessory Belt Tensioners 551617X-1

Belt Tensioner, Manual, GM LS, Corvette, CTS-V, Kit

Part Number: ICB-551617X-1

5.0 out of 5 stars ( 5 )

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Summit Racing™ Pro LS Forged Pistons SUM-326943810-7F

Pro LS 2618 Forged Pistons. 3.810 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943810-7F

4.0 out of 5 stars ( 1 )

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ATI Super Damper Serpentine Series Harmonic Balancers for 1997-2013 CORVETTE, 2008-2009 G8 - ATI918847

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Chevy, LS1, LS2, LS3, LS6, Each

Part Number: ATI-918847

5.0 out of 5 stars ( 4 )

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Speed-Pro Hypereutectic Pistons H856CP .50MM

Pistons, Hypereutectic, Dish, 3.800 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H856CP50MM

4.5 out of 5 stars ( 2 )

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ICT Billet Bellhousing Dowel Pins 551334

Bellhousing Dowel Pins, 0.625 in. Diameter, 1.875 in. Length, Chevrolet, Pair

Part Number: ICB-551334

4.0 out of 5 stars ( 4 )

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ATI Super Damper Serpentine Series Harmonic Balancers for 1997-2013 CORVETTE, 2008-2009 G8 - ATI917289

Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black, Chevy, 5.7L, Each

Part Number: ATI-917289

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ATI Super Damper Serpentine Series Harmonic Balancers for 1997-2013 CORVETTE, 2008-2009 G8, 2014-2017 SS - ATI917304

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Chevrolet, Pontiac, with Gen III/IV (LS-based engines). Each

Part Number: ATI-917304

3.67 out of 5 stars ( 3 )

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Eagle Forged 4140 Steel Crankshafts 534740006100

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each

Part Number: ESP-534740006100

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BluePrint Engines Accessory Drive Systems BPPLSFDPSBK

Pulley Kit, Serpentine, Aluminum, Black, Type 2, Power Steering Pump, Alternator, Water Pump, Chevrolet, LS, Kit

Part Number: MLL-BPPLSFDPSBK

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Melling Pushrods MPR-614

Pushrod, Steel, 5/16 in. Diameter, 7.397 in. Length, Ball Ends, Each

Part Number: MEL-MPR-614

4.0 out of 5 stars ( 3 )

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King HP-Series Main Bearings MB 557HP

Main Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP

4.33 out of 5 stars ( 6 )

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ARP Timing Cover Bolt Kits 134-1501

Timing Cover Bolts, Hex Head, Chromoly, Black Oxide, Chevy, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Kit

Part Number: ARP-134-1501

5.0 out of 5 stars ( 6 )

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ARP Pro Series Connecting Rod Bolts 247-6303

Connecting Rod Bolts, Pro Series, Cap Screw, E Head Style, ARP 2000 Alloy, Dodge, 5.9L Diesel, Kit

Part Number: ARP-247-6303

Not Yet Reviewed

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Holley LS Engine Swap Accessory Drive Systems 20-162BK

Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, Kit

Part Number: HLY-20-162BK

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R2436L9037

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9037

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Howards Cams Big Daddy Rattler Camshafts 198135-09

Camshaft, Big Daddy Rattler, LS-Series, Hydraulic/OE Roller, 3 Bolt, Street/Strip, Lopey Idle, 290/297 Duration, 0.625 in. Lift, 103 Centerline, Each

Part Number: HRS-198135-09

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King XP-Series Main Bearings MB5013XP 010X

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010X

3.5 out of 5 stars ( 2 )

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Chevrolet Performance Head Bolt Kits 12498545

Cylinder Head Bolts, Chromoly, Cadmium, Hex, Gen. 3 1997-03 Chevy LS, 4.8L, 5.3L, 5.7L, 6.0L, 1-Head, Set

Part Number: NAL-12498545

4.5 out of 5 stars ( 10 )

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Summit Racing™ Gen III/IV Chevy LS Main Bearings SUM-172310

Main Bearings, Bi-Metal, Silicon Aluminum, 0.010 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5

Part Number: SUM-172310

5.0 out of 5 stars ( 1 )

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Eagle CRS Lightweight H-Beam Connecting Rods CRS5933F3D

Connecting Rods, CRS Lightweight H-Beam, Forged 4340 Steel, 5.933 in. Length Center To Center, Ford, 4.6L, 5.0L, Set of 8

Part Number: ESP-CRS5933F3D

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