2003 Engines & Components

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

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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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 )

Estimated Ship Date: Tomorrow

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Main Bearings, XP-Series, Standard, Tri Metal, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, V8, Set

Part Number: KGB-MB5013XP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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 )

Estimated Ship Date: Tomorrow

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Performance Roller Lifter Set for LS & Gen 5 LT Engines. (8 pair / Set of 16) Link Bar Style Lifters with .842" body .700" wheel)

Part Number: CXM-M-5290

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Accessory Drive Systems, LS Chevy S-Drive Serpentine Pulley Drive Systems, Power Steering Pump, Polished Pulleys, Chevrolet, Small Block LS, Kit

Part Number: EMS-MS117-90BP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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 ( 2 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.46" Springs, Chromoly Retain, Small Mopar, Each

Part Number: TFS-61417801-C00

5.0 out of 5 stars ( 6 )

Estimated Ship Date: May 7, 2026 if ordered today

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Rod Bearings, Direct Replacement, Standard Size, Bi Metal, Chevy, Small Block, Set of 8

Part Number: SUM-171000

4.84 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

Oil Filter, Canister, 13/16 in.-16 Thread, Each

Part Number: WIX-51061R

4.3 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

Combo, Engine Oil Change Kit, 0W40 10 Qts., Kit

Part Number: CMB-08-0100

5.0 out of 5 stars ( 13 )

Cannot be shipped Internationally

• Restricted
• Ground
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Camshaft, Stage 2, Pro LS Turbo Cam. 226/230 Dur., .600/.575 Lift, 113+4 Lobe Sep. , 5.3, 5.7, 6.0, 6.2, 7.0, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9 LS9, Each

Part Number: SUM-8706R1

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Stage 2 Pro LS Cam. 226/238 113+3, .600/.600 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck LS1 LS2 LS6 LS3 LS7 LSA LQ4 LQ9 LS9 LS4 LY6

Part Number: SUM-8707R1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Timing Chain and Gear Set, True Roller, Single Roller, Billet Steel Sprockets, 3-Bolt, 1X Cam, Chevy, LS1, LS2, Set

Part Number: SUM-G6640

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Cam and Lifter kit, Pro SBC Hyd. Roller Hot Cam Plus, 218/227 Dur., 112 LSA + 1, .525/.520 1.5 Ratio,1800-6300 RPM Range, '87-02 Gen 1 Roller Block

Part Number: SUM-K8802

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: ATI-917286

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Camshaft, Stage 2, LS Truck Swap Cam, High lift version, 218/227 112+2, .600/.600 Lift, 3-bolt, LS1 LS2 LS6 LS3 LQ4 LY6 LQ9 Each

Part Number: SUM-8720R1

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Oil Pump, Standard-Volume, Standard Pressure, Chevy LS, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: SUM-121170

4.7 out of 5 stars ( 61 )

Estimated Ship Date: Tomorrow

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

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

• Core Charge $560.00
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Stage 1 Pro LS Drop-in Truck Swap Cam, 210/218 112 +1, .500/.500 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS6 LS7 LS9 LS3 LH6 LQ4 LQ9, Each

Part Number: SUM-8712R1

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Connecting Rods, Performance, I-beam Style, Forged 4340 Steel, 6.098 in. Length Center To Center, Chevrolet, 5.3L, 5.7L, 6.0L, 6.2L LS, Set of 8

Part Number: SUM-LS6098945I

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, 8740 Chromoly Material, 180,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4316

4.86 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, Titanium Retainers, GM LS1, Each

Part Number: TFS-3061T001

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, Small Block, Each

Part Number: ATI-917246

4.74 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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