CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each

Part Number: NAL-12675871

5.0 out of 5 stars ( 4 )

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HDX System, Chevy, GMC, Kit

Part Number: DAK-HDX-95C-PU-K

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Disc Brakes, SLC56, Front, 12.80 in. Rotors, Brake Pads, Cross-Drilled/Slotted Rotor, 4-Piston, Black Powdercoated, BP-10 Brake Pads, Chevrolet, Kit

Part Number: WIL-140-17671-D

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Headers, Blackheart, Long Tube, Steel, Silver Ceramic Coated, Buick, Chevy, GMC, Oldsmobile, Pontiac, LS Swap, Pair

Part Number: HOK-701015181HKR

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Exhaust System, Blackheart, Header-back, 3.00 in. Dual, Underbody, Stainless Steel, Natural, with Turbo Mufflers, Chevy, Pontiac, V8, Kit

Part Number: HOK-70501386RHKR

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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 )

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Torque Converter, SRL Billet Series, 3,600 Stall RPM, 9.5 in. Diameter, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS0086

4.67 out of 5 stars ( 3 )

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

Part Number: TFS-3061T001

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Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126

2.75 out of 5 stars ( 4 )

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Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L8987

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Headers, Blackheart, Shorty, Stainless Steel, Natural, Chevy, Pair

Part Number: HOK-70301303RHKR

4.0 out of 5 stars ( 1 )

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Radiators, LSX Modified Radiator Modules, Downflow, Aluminum, Natural, Transmission Cooler, Dual Fan, Black Shroud, Chevy, Small Block LS, Kit

Part Number: DWR-6139017A

4.0 out of 5 stars ( 2 )

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• Mfr. Rebate

Product Mail-In Rebate

Rebate Expires: 9/30/2025

Get a FREE Jacket after rebate on this DeWitts product! Go to www.summitracing.com/go/dwr to submit rebate. ...Read More

Get a FREE Jacket after online rebate with the purchase of a qualifying DeWitts Radiator! Go to www.summitracing.com/go/dwr to submit rebate. Valid on purchases made between 9/1/25 and 9/30/25. Claim must be submitted by 1/31/26. This offer cannot be combined with other discounts. Rebate intended for end consumer only. Show Less

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Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600012

5.0 out of 5 stars ( 1 )

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CORVETTE ACCESSORY DRIVE SYSTEM, WITH A/C

Part Number: NAL-19421444

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Radiator and Fan, Performance Fit, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, Pontiac, Kit

Part Number: GRI-CU-00009-LS

4.67 out of 5 stars ( 6 )

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Cylinder Head, GenX® 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3271T002-C01

5.0 out of 5 stars ( 1 )

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Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 276 Int./295 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-MK54-701-11

5.0 out of 5 stars ( 1 )

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Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3603012

5.0 out of 5 stars ( 3 )

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Radiator and Fan, Performance Fit, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, Each

Part Number: GRI-CU-70016-LS

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Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L03012

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Radiators, Performance Fit, Crossflow, Aluminum, Natural, Transmission Cooler, Dual Fan, Aluminum Shroud, Engine Swap, Buick, Chevy, Pontiac, LS, Kit

Part Number: GRI-CU-70019-LS

5.0 out of 5 stars ( 1 )

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367807

5.0 out of 5 stars ( 2 )

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Clutch Kit, RXT 1200 Twin Disc, 26 Spline, 1.125 in. Input Shaft, 9.688 in. Disc Diameter, Organic Disc, Kit

Part Number: MCL-6405807

5.0 out of 5 stars ( 1 )

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

Part Number: CMB-05-0172

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Headers, Blackheart, LS Swap, Long Tube, 3 in. Collector Diameter, 1 7/8 in. Tube Diameter, 304 Stainless Steel, Natural, Chevy, Pair

Part Number: HOK-BH14365

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