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

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

Part Number: DWR-4139105A

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: WIL-140-17669-DR

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Cylinder Head, GenX® 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 370 Lb. Springs, GM LSX, Each

Part Number: TFS-32610001-C01

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Estimated Ship Date: Monday 9/15/2025

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HDX System, Chevy, GMC, Kit

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

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Estimated Ship Date: Monday 9/15/2025

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Headers, Scavenger Series Elite, Long Tube, Stainless, Polished Ceramic Coated, Chevy, LS Engine, Pair

Part Number: FLO-814116

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/15/2025

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Wiring Harness, Fuel Injection, Mechanical Throttle Body, Chevy, Small Block, Each

Part Number: PRF-60617

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Estimated Ship Date: Monday 9/15/2025

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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 )

Estimated Ship Date: Monday 9/15/2025

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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 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping
• 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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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 )

Estimated Ship Date: Monday 9/15/2025

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Manual Transmission Installation Kits, Bellhousing, Roller Pilot Bushing, Flywheel, Clutch, Chevy, Small Block LS, Magnum T56, Kit

Part Number: NAL-19301625

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Lifters, Hydraulic Roller, 0.842 in. O.D., Horizontal Link Bars, Chevrolet, Set of 16

Part Number: CXM-J-2126LSR

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Estimated Ship Date: Monday 9/15/2025

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Radiator, Direct-Fit, Aluminum, 2-Row, Crossflow, Chevy, 6.0, 6.2L, Each

Part Number: DWR-1139105B

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping
• 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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Disc Brakes, DPC56, Rear, 12.01 in. Rotors, Brake Pads, Cross-Drilled/Slotted Rotor, 4-Piston, Red Powdercoated, BP-10 Brake Pads, Chevrolet, Kit

Part Number: WIL-140-17670-DR

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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

Part Number: HLY-300-621

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, Blackheart, Header-back, 3.00 in. Dual, Underbody, Stainless Steel, Natural, with Mufflers, GM LS Swap Only, Kit

Part Number: HOK-705013111RHK

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, Blackheart, Cat-Back, 2.50 in. Dual, Split Rear, Stainless Steel, Natural, with Turbo Mufflers/Quad Tips, Chevy, Pontiac, 5.7L V8, Kit

Part Number: HOK-70501432RHKR

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/15/2025

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Radiator, LS swap, Cooling Module, Show & Go, Crossflow, Aluminum, LS Engine, 33.75 in. x 18.5 in. x 6.5 in.

Part Number: BCI-82311

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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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 9/15/2025

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Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360052

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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Intake Manifolds, LS EFI, Mid-Rise, Rectangular Port Head, Multi-port, 1,500-6,500 RPM Range, Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-135BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00512

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Valve Covers, Cast Aluminum, Big Block Chevy Style for LS, Tonawanda Decals, Oil Filler, Breather Tube, Centerbolt, 2 in. Tall, Chrome, Chevy, Pair

Part Number: LSS-GMLS1003C

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Torque Converter, SRL Billet Series, 9.5 in. Diameter, Hard Hit Version, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS8082

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Intake Manifold, Fuel Injected, Cathedral Port, Multi-Port, 5,000-7,500 RPM Range, Complete, Chevy, LS, Each

Part Number: FST-146303

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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