Chevy 5.3 Gen 3 LS Parts & Accessories

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 11/10/2025

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Fuel Pressure Regulators, GM EFI, Inline, Steel Body, -6 AN Inlet/Dual Outlet, Male Threads, 5 micron, Paper Filter, Each

Part Number: HLY-162-591

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 14 in. Fans, LS Swap, Kit

Part Number: RAD-GMT558ALSSK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Valve Springs, Beehive, Single, 1.307 in. O.D., 1.800 in. Installed height, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1219-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Connecting Rods, Performance, I-beam Style, Forged 4340 Steel, 6.125 in. Length Center To Center, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-LS6125927I

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Radiator, Performance, Crossflow, Aluminum, Polished, 2-row, Dual Fan, Aluminum Shroud, Chevrolet, GMC, LS Engine Swap, Kit

Part Number: RAD-GMT556A21SSK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Valve Covers, Tall Height, Cast Aluminum, Black Crinkle, Plain, Chevy, LS, Pair

Part Number: SUM-440362

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Set of 8

Part Number: MSD-82648

4.41 out of 5 stars ( 56 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: MEL-M295

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

Timing Cover Seal, Chevy, Small Block LS, Each

Part Number: ADO-296-02

4.81 out of 5 stars ( 27 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Flexplate, 168-Tooth, Steel, Internal Balance, Chevy, GMC, Each

Part Number: ATP-Z270

4.43 out of 5 stars ( 42 )

Estimated Ship Date: Monday 11/10/2025

Intake Manifolds, LS Modular, Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-620BK

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945780-7P

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Throttle Bodies, GM Genuine Parts Fuel Injection Throttle Bodies, MPI, Cast Aluminum, 75.00mm Venturi Diameter, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-19420713

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Air Intake, Cold Air, Oiled, Cotton Gauzed Filter, Cadillac, Chevy, GMC, Kit

Part Number: SBF-75-5157

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Connecting Rods, SIR I-Beam, Forged 5140 Steel, 6.100 in. Length Center To Center, Chevrolet, Small Block LS, Set of 8

Part Number: ESP-SIR6100MLW

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Gaskets, Conversion Set, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: FEL-CS9284

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Monday 11/10/2025

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Exhaust Manifold, Blackheart, Cast Iron, Natural, Chevrolet, GMC, Small Block, LS, Pair

Part Number: HOK-71223026HKR

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: EMS-MS117-90P

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Flexplate, Black, Black Label Edition, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevrolet, LS, Each

Part Number: PQX-2036471

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Radiator, Crossflow, 2-row, Aluminum, Natural, Dual Fan, Black Aluminum Shroud, LS-Engine, Buick, Chevy, Pontiac, Kit

Part Number: GRI-CU-00008LS

4.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

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Crankshaft Damper Drill Pinning Fixture Tool, Harmonic balancer, Gen III/IV LS, LT, Kit each

Part Number: SUM-900341

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

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Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each

Part Number: SUM-774001

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

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Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.44 out of 5 stars ( 99 )

Estimated Ship Date: Monday 11/10/2025