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

Head Combo, GenX® Top-End, 515 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit

Part Number: TFS-K306-515-460

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Oct 30, 2025 if ordered today

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Tester Adapter, Cooling System, Steel, Green, Buick, Chevy, Ford, GMC, Each

Part Number: SNN-3127

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Thermostat, with Seal, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-456-160

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Thermostat, with Seal, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-523-160

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Thermostat, Mechanical, Thermostat with Seal, Standard-flow, 180 degrees F, Copper/Stainless Steel, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: SNN-523-180

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Tester Adapter, Cooling System, Steel, Green, Chevy, Saab, Ford, GMC, Each

Part Number: SNN-3128

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Radiator Cap, Lev-R-Vent, Stainless Steel, Natural, Stant, 18 psi, Cadillac, Chevy, Chrysler, Dodge, Jeep, Pontiac, Each

Part Number: SNN-ST18

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Thermostat, with Seal, 187 Degrees F, Stainless Steel, Each

Part Number: SNN-456-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fuel Tank Cap, Locking, Plastic, Black, For use on Honda®, Chevy, Mazda, Nissan, Toyota, Each

Part Number: SNN-MGC791

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Thermostat, Integrated Housing Thermostat, 187 Degrees F, Stainless Steel, Each

Part Number: SNN-379-187

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Radiator Cap, Stainless Steel, Natural, Stant, 18 psi, Cadillac, Chevy, Chrysler, Dodge, Jeep, Pontiac, Each

Part Number: SNN-T18

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Fuel Tank Cap, OE Replacement, Plastic, Black, Each

Part Number: SNN-MGC817

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Combo, SLP, Air Box Lid, K&N, Air Filter, Air Foil, Chevy, Pontiac, Kit

Part Number: CMB-03-0091

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Head Combo, GenX® Top-End, 500 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit

Part Number: TFS-K306-500-460

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Estimated Ship Date: Oct 30, 2025 if ordered today

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Wiring Harness, Elite 2000/2500 GM Gen IV LS/LSX, DBW Ready Terminated Harness, Bosch EV6, Each

Part Number: HTH-HT-141367

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Oil Filler Cap, Plastic, Black, Twis-In, Chevy, Buick, Cadillac, Chrysler, GMC, Saab, Each

Part Number: SNN-MO99

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Ignition Coil, LS1 Coil with Built-In Ignitor, Coil Pack Style, Female/Socket, 4.5 mS Spark Duration, Square, Black, Chevrolet, LS, Each

Part Number: HTH-HT-020102

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Head Combo, GenX® Top-End, Chevy, Small Block, LS2, Kit

Part Number: TFS-K306-550-470

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 29, 2025 if ordered today

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Combo, Fel-Pro, Exhaust Gaskets, Header, Steel Core Laminate, Stage 8, Bolts, Hex, Locking, Chevy, LS1, Kit

Part Number: CMB-05-0151

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Estimated Ship Date: Today

Fuel Tank Cap, OE Replacement, Plastic, Black, Buick, Chevy, GMC, Toyota, Each

Part Number: SNN-MGC825

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Wiring Harness, Elite 2000/2500 GM Gen IV LS/LSX, DBW Ready Terminated Harness, Bosch EV1, Each

Part Number: HTH-HT-141366

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Wiring Harness, Elite 2000/2500 GM Gen IV LS/LSX, Non-DBW Terminated Harness, Bosch EV6, Each

Part Number: HTH-HT-141365

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Wiring Harness, Elite 2000/2500 GM Gen III LS1/LS6, Non-DBW Terminated Harness, Each

Part Number: HTH-HT-141360

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Combo, SLP, Air Box Lid, K&N, Air Filter, Air Foil, Chevy, Pontiac, Kit

Part Number: CMB-03-0090

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 20, 2025 if ordered today

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