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

Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381440-KIT1

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Estimated Ship Date: Tomorrow

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Fuel Injector, ID1050x Series, 1065.0cc/min Flow Rate, EV6/USCAR Plug, 1.690 in. Height, Cadillac, Chevrolet, Pontiac, Set of 8

Part Number: IJD-10503414158

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

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Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Manual, 26.24 in. Wide, 18.63 in. High, 3.00 in. Thick, Chevy, Kit

Part Number: SUM-381442-KIT1

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 26.24 in. Wide, 18.63 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381448-KIT1

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each

Part Number: AFR-1501

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 19.00 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381444-KIT1

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1506

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Automatic Transmission Controller, EZ-TCU, Controller, Wiring, Hand-Held Unit, Chevrolet, 4L60E, 4L65E, 4L80E, 4L85E, TCI 6x 6-Speed, Kit

Part Number: TCI-302820

3.86 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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Cylinder Head, Aluminum, Assembled, 68cc, Cadillac, 6.2L, LSA, Each

Part Number: NAL-12675872

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Connecting Rod, Compstar Extreme, Forged 4340 Steel, H-Beam, Cap Screw, ARP 2000, Bushed, 6.125 in. Length, Chevy, Small Block, LS, Set of 8

Part Number: CPI-C6125DS2A2AX

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Intake Manifold, Performer RPM LS1, Aluminum, Timing Control Module, Chevy, LS1, 4.8L, 5.3L, 5.7L, 6.0L, Kit

Part Number: EDL-7118

4.1 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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

Part Number: DWR-1139105A

4.93 out of 5 stars ( 14 )

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

Part Number: HLY-300-621BK

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Radiator Fan Combo, Performance Fit, Aluminum, Natural, Downflow, 2-Row, Dual Fan, Chevy, GMC, Kit

Part Number: GRI-CU-00013-LS

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Radiator, Direct-Fit, Aluminum, 2-Row, Crossflow, Chevy, 350, Each

Part Number: DWR-1139097M

4.94 out of 5 stars ( 16 )

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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Water Pump, Electric, 55 gpm, Billet Aluminum, Black Anodized, Chevy, LS, Each

Part Number: MEZ-WP319S

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Steel, Coated, 1 3/4 in. Primary, 3 in. Collector, Chevy, GMC, LS Swap, Pair

Part Number: SCH-1302LS1-C

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Battery, RSV Titan8, Lithium, BCI Group 34, 16 Volt, 3,500 Watts, 1,000 Max Amps, 322 Energy Watts, 10.24 in. L, 7.16 in. H, 6.89 in. W, 12 lbs., Each

Part Number: XSP-RSV-S7-1600

Not Yet Reviewed

Cannot be shipped Internationally

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• Ground Shipping Fee $30.00

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

Part Number: FTI-SRLS0082

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Radiator, Performance, Crossflow, Aluminum, Polished, 2-row, Dual Fan, Aluminum Shroud, Chevrolet, GMC, LS Engine Swap, Kit

Part Number: RAD-GMT556A21SSK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Computer, Engine Control Unit, Without Transmission Control, Chevy, LS, Each

Part Number: FIF-70050

3.84 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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