CHEVROLET 5.3L/325 Summit Racing Parts and Accessories

Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 31.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Chevy, Pontiac, Each

Part Number: SUM-381446

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Valve Covers, Centerbolt Mounting, Cast Aluminum, Black Powdercoated, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440343B

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coolant Crossover Delete or Block Off Set, Aluminum, Rear, GEN III/IV LS, Kit

Part Number: SUM-402055

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Coolant Crossover, Billet Aluminum, -4AN Braided Stainless Hose, LS Throttle Body Bypass Hose Kit, NO Vent, Rear balance Crossover, Kit

Part Number: SUM-220961

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Oil Pump Pro LS, High-Volume, Standard-Pressure w/Optional High-Pressure Shim, O-ring to block seal, Fits GM Gen III/IV LS Engines, Each

Part Number: SUM-121172-OR

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Housing, Chevy, Pontiac, Each

Part Number: SUM-363-160

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17401C-20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Fuel Injection, MAX EFI LS 750 KIT (LS1), Low Profile, 102mm Throttle Body, Black, Kit

Part Number: SUM-240511-L102B

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943780-7F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Exhaust Crossover Pipe, Turbo Manifold, 2.250 in., Stainless Steel, Chevy LS, Each

Part Number: SUM-G9300-XC

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8707-1DS

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Exhaust Manifolds, Iron, Natural, Chevy, LS Series Engines, 2.250 in. Outlet, Pair

Part Number: SUM-G9080

4.4 out of 5 stars ( 35 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 19.00 in. High, 3.00 in. Thick, Chevy, Pontiac, Each

Part Number: SUM-381444

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8107

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Estimated Ship Date: Monday 4/27/2026 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

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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LS Combination 1/2" Head Stud Drill Jig and Torque plate, 6-bolt, 4.185 in. Bore, Aluminum, Red Anodized, Chevy, Fasteners, bushings, drills, tap inc.

Part Number: SUM-900343

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.299 C.H., 2cc dome, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273780-2

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Valve Covers, Stock Height, Cast Aluminum, Black Crinkle, Plain, Chevy LS, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Pair

Part Number: SUM-440367

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Oil Pan, Steel, Black Powdercoated, 7 Qt. Capacity, Chevy, LS, Each

Part Number: SUM-G3610B

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Summit Factory Performance Stage 3 LS Single Plane Cam, 236/246 110 +0 .612/.612 Lift, LS1 LS2 LS6 LS3 LQ9, Summit's version of Factory LSX 454 cam

Part Number: SUM-8702

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Exhaust Manifold Hardware, Hex Flange, 10.9 Steel, Zinc Plated, Chevrolet, LS, Set of 12

Part Number: SUM-910228

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMBO Hooker Natural Finish LS Manifold and crossover 4l60/4l80, Kit

Part Number: CMB-05-0172

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cylinder Head Studs, 12-Point, 8740 Chromoly, Black, 2003 and Earlier, Chevy, LS, Gen III/IV, 1/2" - 13 threads at base, 1/2" - 20 top, Kit

Part Number: SUM-900507

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air