MSD Iridium Spark Plugs 37124 Safety Equipment / Shoes / Racing Shoes This is AFR's largest

This is AFR's largest

These balancers are particularly ortant to tight cornered tracks where engine revs are low and instant revs are required to accelerate out of tight turns

since it's made by NOS

Manufacturer's Part Number: VHX-66F-BRO-C-B

threads on both sides

MSD Iridium Spark Plugs 37124 Safety Equipment / Shoes / Racing Shoes This is AFR's largestBrand: MSD Ignition Manufacturer's Part Number: 37124 Part Type: Spark Plugs Product Line: MSD Iridium Spark Plugs Automotive Fittings Part Number: MSD 37124 UPC: 085132371242 Spark Plug Thread Size: 14mm Spark Plug Reach (in.): 0. 691 in. Spark Plug Reach (mm): 17. 55mm Manufacturer Heat Range: 5 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: Iridium Electrode Core Material: Iridium Center Electrode Type: Extended Projected Spark Plug