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

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: Tomorrow

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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: Tomorrow

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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

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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

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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 )

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Oil cooler kit, complete, C6 Corvette, 180F thermostat

Part Number: IRP-EC6-600-T4

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Installation Kits, Transmission, T-56, Magnum, Aluminum Bellhousing, 12 in. Disc, 26 Spline, Billet Flywheel, 6-bolt, SBC, LS, Gen III/IV, Kit

Part Number: HLY-319-510

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

Part Number: GRI-CU-70016-LS

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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• Special Order

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

Part Number: DWR-6139024M

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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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Exhaust System, Blackheart, Header-back, 3 in. Dual, Split Side, Stainless, Turbo Mufflers, Buick, Chevy, Oldsmobile, Pontiac, V8, Kit

Part Number: HOK-70501364RHKR

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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

Part Number: TFS-3061T001

Not Yet Reviewed

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Headers, Blackheart, Long Tube, Stainless Steel, Natural, Buick, Chevy, GMC, Oldsmobile, Pontiac, LS Swap, Pair

Part Number: HOK-70101318RHKR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Pro LS Piston and Rod Kit, 326 Cid., 3.785 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7857

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Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Natural Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Exhaust Systems, LS Swap, Header-back, Dual, Stainless Steel, Natural, Rear Exit, H-pipe, Rear Coil Spring, Chevrolet, GMC, Small Block LS, Kit

Part Number: DOU-DES102

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 26, 2025 if ordered today

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Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-127

Not Yet Reviewed

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Headers, Chevy, GMC, 304 Stainless Steel, LS Swap, 1-7/8 in., Pair

Part Number: HOK-BH13243

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Exhaust System, Blackheart, Header-Back, 3.0 in., Dual, Underbody, Stainless Steel, Natural, with Turbo Mufflers, Chevy, Pontiac, V8, Kit

Part Number: HOK-70501319RHKR

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Cylinder Head, GenX® 255, Aluminum, Bare, 69cc Chamber, 255 cc Intake, 4-Bolt, GM, 6.2,.7.0L, LSX Block, Each

Part Number: TFS-3261B001-C01

Not Yet Reviewed

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Intake Manifold, Classic Intake, Multi-port, 92mm Throttle Body, Aluminum, Natural, Chevy, LS, Each

Part Number: LSS-GMLS3006

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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-140-17669-D

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-910T

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Intake Manifolds, EFI, LS Hi-Ram, Raised Rectangular Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 7.0L, Each

Part Number: HLY-300-125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502200

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair

Part Number: DOU-D314

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $905.25

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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