2003 Engines & Components

Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9,

Part Number: SUM-326945400012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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LS Cylinder Head, 5.3L Specific, 64cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH64

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pulleys, Chevy LS Series, Serpentine, Performance Ratio, Billet Aluminum, Black, Water Pump, Alternator, With Power Steering and Air Conditioning, Kit

Part Number: MCH-20095-08

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Timing Belt and Water Pump Service Kit, with Hydraulic Tensioner, Lexus, Toyota, V8, 4.0L, 4.3L, 4.7L, Kit

Part Number: ASN-TKT-021

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Oil Catch Can, CCS, 7 oz., Oil Separator, Recirculating, Aluminum, Black, Round, Buick, Chevy, Cadillac, Pontiac, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: IRP-CCS-GM-101

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number: TFS-2500287P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Natural Color, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.6 Quarts, Aluminum, Natural, Buick, Chevy, Ford, GMC, Mercury, Oldsmobile, Pontiac, Each

Part Number: HLY-302-5

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP1014

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Oil Filter, HP Series, 13/16 in.-16 Mounting Thread Size, 3.719 in. Outside Diameter, 5.75 in. Tall, 5-Micron Rating, High-Flow Bypass Valve, Each

Part Number: FRM-HP4

4.72 out of 5 stars ( 67 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8720-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Head Bolt Set, OEM Replacement, Hex, Dodge, Jeep, 5.7, Kit

Part Number: FEL-ES72200

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Rocker Arms, Pedestal Mount, 1.7 Ratio, Aluminum, Roller Rockers, Chevy, LS, Set

Part Number: CSP-SLS17

4.26 out of 5 stars ( 19 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Engine Accessory Bolts, 12-point, Chromoly, Black Oxide, Chevy, Small Block LS, Kit

Part Number: ARP-534-9705

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945403012

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Cam Bearings, Direct Replacement, Steel Backed Babbitt, Chevy, 4.8, 5.3, 6.0, 6.2, 7.0L, 2nd Design, Set

Part Number: CLE-SH2125S

4.35 out of 5 stars ( 43 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Engine Rotating Assembly, Street/Strip, Forged Piston, Forged Crank, I-Beam Rods, Chevy, Small Block, LS2, Kit

Part Number: ESP-B627144030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Timing Chain, Replacement, Single Roller, Steel, Chevy, Small Block LS, Each

Part Number: NAL-12646387

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Lash Adjusters, Hydraulic, Ford, Modular, 2V, 4V, V8, V10, Set of 16

Part Number: TFS-21400008-16

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113.5 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LQ9 LS9

Part Number: SUM-8711R1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Rocker Arm, Standard Replacement, Steel, Chevrolet, LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Rod Bearings, Tri-metal, Copper Lead Nickel, .001 in. Extra Oil Clearance, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPNSTDX

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Lifter, Hydraulic Roller, Chevy, Each

Part Number: TFS-21400002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Oil Pump, High-Volume, Mopar, Small Block, V6, Each

Part Number: MEL-M72HV

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air