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

Howards Cams ProMax Direct Lube Mechanical Roller Lifters 91178

Howards Cams ProMax Direct Lube Mechanical Roller Lifters 91178

Lifters, Race Series, Mechanical Roller, Pro Max High RPM, Vertical Bar, Chevy, Gen III Small Block, Set of 16

Part Number: HRS-91178

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

MAHLE Original Pistons 224-2897WR.020

Piston With Rings - GM 6.5L DIESEL V8 (020) W/PCR

Part Number: MAH-2242897WR020

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Holley LS Engine Swap Accessory Drive Systems 20-140P

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, R4 A/C Only, Polished, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: HLY-20-140P

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Holley LS Engine Swap Accessory Drive Systems 20-142P

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C Only, Polished, Chevy, V8, Kit

Part Number: HLY-20-142P

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

VEGE Remanufactured Cylinder Heads 2CFM

Cylinder Head, Remanufactured, Assembled, Aluminum, Natural, Chevy, Duramax Diesel, V8, Each

Part Number: VRE-2CFM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-3503WR

Piston With Rings - FO 6.0L DIESEL V8 (144060-STD) W/PCR

Part Number: MAH-2243503WR

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

MAHLE Original Pistons 224-2897WR.030

Piston With Rings - GM 6.5L DIESEL V8 (030) W/PCR

Part Number: MAH-2242897WR030

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

MAHLE Original Pistons 224-3409WR

Piston With Rings - NAVI 7.3L DI DIESEL V8 'T' (STD) W/PCR

Part Number: MAH-2243409WR

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

ATK High Performance 260cc CNC Ported LS3 Aluminum Cylinder Heads HPLS3260

Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

ATK High Performance 270cc CNC Ported LS3 Aluminum Cylinder Heads HPLS3270

Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Hastings Piston and Ring Kits PRK3672100

Piston and Ring Kit, Diesel, Cast, Dish, 4.055 in. Bore, Dodge, Cummins, HO, Set of 6

Part Number: HSN-PRK3672100

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

ICON Premium Forged Anodized Pistons IC532CA.030

Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 4.000 in. Stroke, Dish, Chevy, LS, Set of 8

Part Number: UEM-IC532CA-030

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Manley Pro Series I-Beam Turbo Tuff Connecting Rods 14405-4

Connecting Rod, Turbo Tuff, I-Beam, Forged 4340, Floating Pin, 5.984 in., for use on Acura®, Honda®, Set of 4

Part Number: MAN-14405-4

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Moroso Circle Track Oil Pans 21564

Oil Pans, Circle Track, Full Dry Sump, 2-piece Rear Main Seal, Aluminum, Natural, 5.500-6.500 in. Pan Depth, Chevrolet, 5.7L, 6.6L, LS, Each

Part Number: MOR-21564

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 930218490

Piston and Ring Kit, Forged, Flat Top, 3.790 in. Bore, Chevy, LS, Kit

Part Number: MLE-930218490

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Manley Titanium Valves 11486HT-8

VALVE-TI 2.180,+.700

Part Number: MAN-11486HT-8

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Hastings Piston and Ring Kits PRK316375

Piston and Ring Kit, Diesel, Cast, Dish, 4.140 in. Bore, Ford, 1994-2003 Navistar, Powerstroke, Set of 8

Part Number: HSN-PRK316375

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hastings Piston and Ring Kits PRK367450

Piston and Ring Kit, Diesel, Cast, Dish, 4.035 in. Bore, Dodge, Cummins, Non-HO ETC, Set of 6

Part Number: HSN-PRK367450

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Moroso Billet Aluminum Valve Covers 68470

Valve Covers, 2.50 in. Tall, Centerbolt, Billet Aluminum, Natural, Moroso Logo, Chevy, Small Block LS, Pair

Part Number: MOR-68470

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

March Performance Pro-Track Serpentine Conversion Kits 20025-08

Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Black Powdercoated, Power Steering, No Air Conditioning, Chevrolet, LS, Kit

Part Number: MCH-20025-08

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

March Performance Chevy LS Series Serpentine Kits 20085-08

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Wiseco Professional Series Piston Kits K445X05

Pistons, Dished, 4.005 in. Bore, 0.047 in., 0.047 in., 3.0mm Ring Grooves, Chevy, LS, Set of 8

Part Number: WIS-K445X05

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

S&S Cycle Early Twin Cam Easy Start Gear Drive Camshaft Kits 106-5243

Camshafts, Easy Start, Gear Drive, 240 Intake/255 Exhaust, 0.570 Intake, /0.570 in. Exhaust, Harley-Davidson®

Part Number: SSY-106-5243

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Diamond Pistons Race Series Pistons 30305-RS-8

MOD2K - 2000HP Rated - 2618 Material - Inboard Design - Coated Skirts - Includes H13 Pins and AP Rings

Part Number: DPP-30305-RS-8

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Diamond Pistons Race Series Pistons 30308-RS-8

MOD2K - 2000HP Rated - 2618 Material - Inboard Design - Coated Skirts - Includes H13 Pins and AP Rings

Part Number: DPP-30308-RS-8

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Diamond Pistons Race Series Pistons 30309-RS-8

MOD2K - 2000HP Rated - 2618 Material - Inboard Design - Coated Skirts - Includes H13 Pins and AP Rings

Part Number: DPP-30309-RS-8

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today