2003 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

BD Diesel High-Pressure Oil Pumps BOSHPOP-008X

Oil Pump, High Pressure, HPOP, High Volume, High-Pressure, Ford, 7.3L, Each

Part Number: BDD-BOSHPOP-008X

Not Yet Reviewed

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ATK High Performance Chevy LQ4 6.0L 505 HP Long Block Crate Engines HP109

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP109

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 30, 2026 if ordered today

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Estimated Ship Date: Jun 30, 2026 if ordered today

VEGE Remanufactured Long Block Crate Engines for 2002-2004 MUSTANG - DFAJ

Crate Engine, Remanufactured, Long Block, Assembled, Ford, 4.6L/281, Each

Part Number: VRE-DFAJ

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

PRW Cylinder Head Stud Kits 1040301

Cylinder Head Stud, 4135 Steel, 12-Point Nuts, Chevy, GMC, 6.6L/400, Diesel, LB-7, LLY, LBZ,LMM,LML, Kit

Part Number: PQX-1040301

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FLOTEK 276cc LS3 Cylinder Heads LS3-505

Cylinder Head, Assembled, 68cc Combustion Chamber, 276cc Intake Runner, 92cc Exhaust Runner, Aluminum, Chevy, LS, Each

Part Number: FLK-LS3-505

1.0 out of 5 stars ( 1 )

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D.S.S. E Series Forged Pistons 8785-4030

D.S.S. E Series Forged Pistons 8785-4030

Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series +3cc LS Flat Top Piston Set. 4.030 bore

Part Number: DMS-8785-4030

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Summit Racing™ Pro LS Billet Adjustable Single Row Timing Chain Sets and Gears SUM-G6645-1X-005

Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 1X, -0.005 in. Line Hone, LS, Kit

Part Number: SUM-G6645-1X-005

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Melling Rocker Arms MRK-551-2

Rocker Arms, Non-roller, Pedestal Mounting Style, 1.6 Ratio, Steel, Jeep, Pair

Part Number: MEL-MRK-551-2

4.86 out of 5 stars ( 7 )

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Summit Racing™ Hydraulic Roller Lifters SUM-HT21616

Lifter, Hydraulic Roller, Chevy, Set of 16

Part Number: SUM-HT21616

5.0 out of 5 stars ( 1 )

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ICT Billet Alternator Brackets 551669-3

Alternator/Power Steering Bracket, Low Mount, Billet Aluminum, Natural, Chevy, LS, Kit

Part Number: ICB-551669-3

4.3 out of 5 stars ( 10 )

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R2436L8987

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 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-R2436L8987

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Summit Racing™ Extreme Duty Head Stud Kits SUM-910521

Cylinder Head Stud, Chromoly, Extreme Duty, 12-Point Nuts, Chevy, 6.6L/400, Diesel, LB-7, LLY, Kit

Part Number: SUM-910521

Not Yet Reviewed

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Ford Performance Parts Roller Rocker Arms for 2005-2006 GT, 1996-2004 MUSTANG - M-6529-MSVT

Rocker Arms, Full Roller, OHC Shaft Mounting Style, Steel, Ford, Set of 16

Part Number: FMS-M-6529-MSVT

4.8 out of 5 stars ( 5 )

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Holley LS Engine Accessory Drive Kits 20-132BK

Accessory Drive Bracket Kits, for Sanden SD508 or SD7 Compressor, Aluminum, Black, Chevy, Small Block LS, Kit

Part Number: HLY-20-132BK

4.0 out of 5 stars ( 3 )

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Summit Racing™ Billet Steel Timing Chain and Gear Set for Chevy LS SUM-G6646-BA

Timing Chain and Gear Set, Double Roller, Billet, 3 Bolt, 1 Cam Sensor, Adjustable, Chevrolet, LS, Set

Part Number: SUM-G6646-BA

1.0 out of 5 stars ( 1 )

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Chevrolet Performance Timing Sprockets 12556582

Timing Gear, Crank Sprocket, Chevy, Small Block LS, Each

Part Number: NAL-12556582

5.0 out of 5 stars ( 6 )

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Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8706-1

Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 275/283, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8706-1

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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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Clevite Camshaft Bearings SH-1814S

Cam Bearings, B-1, Chevy, 4.8, 5.3, 5.7, 6.0L, 1st Design, Set

Part Number: CLE-SH1814S

4.0 out of 5 stars ( 16 )

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Summit Racing™ Pro LS Forged Pistons SUM-326943400012

Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-326943400012

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PowerBond Supercharger Performance Harmonic Balancers PBO81190SC10

Harmonic Balancer, Supercharger Performance, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, V8, Each

Part Number: PBB-PBO81190SC10

5.0 out of 5 stars ( 1 )

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PRW High Performance Sportsman Harmonic Dampers for 1997-2007 CORVETTE - 2336440

Harmonic Balancer, Sportsman, Internal Balance, Black, Chevy, LS, Each

Part Number: PQX-2336440

4.5 out of 5 stars ( 2 )

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Summit Racing™ Pro LS Forged Pistons SUM-2999273785-7

Pro LS 2618 Forged Pistons. 3.785 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273785-7

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Trick Flow® Track Max® Hydraulic Roller Camshafts for GM LS TFS-30602001

Camshaft, Hydraulic Roller, Advertised Duration 285/292, Lift .560/.560, Lobe Sep. 114, GM LS, Each

Part Number: TFS-30602001

4.9 out of 5 stars ( 21 )

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BTR Camshafts BTR-30612120

Camshaft, BTR, Stage 1 Truck V2, 206 int./212 exh. Duration, 0.553 in./0.553 in. Lift, 112 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Each

Part Number: BTC-BTR30612120

5.0 out of 5 stars ( 1 )

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