Racing Electronics 4-Conductor Compact Mic Helmet Kit w/ Coil Cord Cylinder Head Bolt The Pro Series bolts

The Pro Series bolts

easy method of attaching an engine lift chain

Used in systems with a return line back to the fuel tank

offset -21 and the hub bore is 78

some filing for clearance may be necessary with some applicationsSince 1938

Racing Electronics 4-Conductor Compact Mic Helmet Kit w/ Coil Cord Cylinder Head Bolt The Pro Series boltsHigh quality, American made open wheel IMSA style (4 conductor) helmet kit, with compact noise cancelling flex boom mic and coiled cord. Racing Electronics is a fixture at major motorsports events across the country. From the ubiquitous RE Red headsets worn by thousands of race fans to the Racing Electronics equipment used on pit road, in the car, and on the spotter stand, Racing Electronics produces and sells the most popular motorsports