BBC S/D 1.900in Exhaust Valves this helmet features many improvements

this helmet features many improvements compared to its predecessor

Transmission Temperature Gauge - Cobalt - 0-340 Degree F - Electric - Digital - Blue LED - 2-1/16 in Diameter - Black Face - Each

IAC Valve Adapter - Ford Style to GM Style - Hardware Included - Aluminum - Natural - Each

Shock - G Series - Monotube - 11

The band clamp versions are equipped with a large Ford style cap while the Chevy version uses a 4-inch cap and both are topped with heavy duty retainers

BBC S/D 1.900in Exhaust Valves this helmet features many improvementsExhaust Valve Severe Duty 1. 900 in Head 0. 342 in Valve Stem 5. 422 in Long Stainless Big Block Chevy Set of 8