2003 Engines & Components

Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit

Part Number: BTC-SK001T0560BB

4.75 out of 5 stars ( 4 )

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each

Part Number: AFR-1501

5.0 out of 5 stars ( 2 )

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

Part Number: ARP-230-4201

4.93 out of 5 stars ( 15 )

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Cam and Lifter kit, Stage 1 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2

Part Number: SUM-K8718R1

5.0 out of 5 stars ( 2 )

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Hydraulic Roller Lifter, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-JB-2079

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

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Cylinder Head Studs, Pro Series, Hex Head, Pre-2004 Design with Different Bolt Lengths, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-234-4110

4.93 out of 5 stars ( 15 )

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

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Rod Bearings, XP-Series, Tri-Metal, Standard Size, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN

4.5 out of 5 stars ( 14 )

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Main Bearings, Bi-Metal, Silicon Aluminum, Standard Size, GM Gen III/IV LS, Set of 5

Part Number: SUM-172300

4.73 out of 5 stars ( 15 )

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Cylinder Head Studs, Pro Series, 12-Point Heads, Dodge, 5.9L, Cummins Diesel, 24-Valve, Kit

Part Number: ARP-247-4202

4.92 out of 5 stars ( 13 )

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing, Chevy, LS, Kit

Part Number: BTC-TK002NB

4.17 out of 5 stars ( 12 )

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Harmonic Balancer, Serpentine, Aluminum, Black Anodized, Internal Balance, 7.48 in. Diameter, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: ATI-918644

4.88 out of 5 stars ( 16 )

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Timing Chain and Gear Set, True Double Roller, Billet Steel, 3 Bolt, No Cam Sensor, Chevy, LS Series, Set

Part Number: SUM-G6602R-B

4.87 out of 5 stars ( 31 )

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Camshaft, BTR, Red Hot, 221 int. Duration, 0.619 in./0.617 in. Lift, 113 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Each

Part Number: BTC-BTR-REDHOT

5.0 out of 5 stars ( 1 )

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Cam and Lifter kit, Pro SBC Stage 1 Hyd. Roller Cam, 204/214 Dur., 112 LSA + 1 Adv, .450/.450 1.5 Ratio, Idle-5800 Range, '87-02 Gen 1 Roller Block

Part Number: SUM-K8800

5.0 out of 5 stars ( 1 )

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

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Connecting Rod Bolts, High Performance Series, 8740 Chromoly Steel, Chevy, Small Block, LS1, Set of 16

Part Number: ARP-134-6006

4.84 out of 5 stars ( 44 )

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

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Oil Pan, Low Profile Design, Engine Swap, Aluminum, Natural, 4.000 in. Stroke, 5.9 Quarts, Chevy, 4.8, 5.3, 6.0, 6.2L, Each

Part Number: HLY-302-3

4.68 out of 5 stars ( 34 )

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Oil Pump, High-Volume, Standard Pressure, Chevy, Big Block, Each

Part Number: MEL-M77HV

4.64 out of 5 stars ( 28 )

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Engine Dipstick, Braided Stainless Steel, Tumble Polished, Ford, Modular V8, Each

Part Number: SUM-122214

4.7 out of 5 stars ( 27 )

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Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174004

5.0 out of 5 stars ( 2 )

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Connecting Rod, Compstar Extreme, Forged 4340 Steel, H-Beam, Cap Screw, ARP 2000, Bushed, 6.125 in. Length, Chevy, Small Block, LS, Set of 8

Part Number: CPI-C6125DS2A2AX

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