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

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

Part Number: DWR-6139018A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• 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

×

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

Headers, Long Tube, Stainless Steel, Natural, 1 3/4 in. Primary Tube, With Converters, Kit

Part Number: XFO-HSVF82KITB

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Oct 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Driveshaft

Part Number: DSS-GMCA11-A

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Radiator, Performance Fit, Downflow, 2-row, Aluminum, Natural, Chevy, Each

Part Number: GRI-8-70201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Clutch Kit, RXT Street Twin, 1.125 in. - 26-spline, Ceramic Disc, Billet Steel Flywheel, Cadillac, Chevy, Kit

Part Number: MCL-6405807M

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Natural Steel Headers, Motor Mounts, Red Oil Pan, Chevy, Pontiac, 4.8L, 5.3L, 6.0L, Kit

Part Number: TRD-42011

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Suspension Lift Kit, N3, Steering Knuckles, Rear Leaf Spring Blocks, 6.00 in. Front, 6.00 in. Rear, Chevrolet, GMC, Kit

Part Number: ROU-27220A

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Power Cooling Modules, LS swap, Exact Fit, Aluminum, Natural, Chevy, Pontiac, Kit

Part Number: BCI-82234

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Silver Ceramic Coated Headers, Motor Mounts, Red Oil Pan, Chevy, GMC, 4.8L, 5.3L, 6.0L, Kit

Part Number: TRD-42042

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout, Each

Part Number: CPI-APO-31Q-CS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Suspension Lift Kit, N3, Steering Knuckles, Rear Leaf Spring Blocks, 6.00 in. Front, 6.00 in. Rear, Chevrolet, GMC, Kit

Part Number: ROU-29730A

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Twin-tube Shocks, Front, Chevy, GMC, Kit

Part Number: BEL-16002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Disc Brake Kit, Rear Conversion, Cross-Drilled/Slotted Rotors, Red Calipers, 6 x 5.50 in. Bolt Pattern, 11.63 in. Diameter Rotors, Chevy, GMC, Kit

Part Number: LEB-RRC6006X

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, 2.100 in. Pin, Chevy, Each

Part Number: SCA-4LS141262

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Driveshafts, Rear, Aluminum, Balanced, Assembled, 4.500 in. Diameter, 78.800 in. Length, Chevy, GMC, Each

Part Number: RNB-936-276

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Driveshaft

Part Number: DSS-GMG8SH2-A-CV

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Long Tube, Stainless Steel, Natural, Chevy, Camaro 1967-69 w/Rack and Pinion, 350 Small Block, Pair

Part Number: STW-CALS1

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Disc Brake Kit, Rear Conversion, Cross-Drilled/Slotted Rotors, Red Calipers, 5 x 5.00 in. Bolt Pattern, 11.63 in. Diameter Rotors, Chevy, GMC, Kit

Part Number: LEB-RRC6003X

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Driveshaft

Part Number: DSS-GMC6M-1-E

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Suspension Lift Kit, N3, Steering Knuckles, Rear Coil Springs, 6.00 in. Front, 6.00 in. Rear, Cadillac, Chevrolet, GMC, Kit

Part Number: ROU-28020

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Swap Kit, Headers, Steel, Painted, Motor Mounts, Oil Pan, Pickup, Gaskets, Hardware, Chevy, LS, Kit

Part Number: TRD-48061

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping