CHEVROLET Chevy small block Gen III/IV (LS-based engines) Spark Plugs

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-6

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-104

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, Copper, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-R44LTSM6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, Iridium, Gasket Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9404

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RS9YC, Copper Plus, 14mm Thread, .689 in. Reach, Resistor, Each

Part Number: CPN-304

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks