Racequip Neck Support Collar - Black - Adult 21 in. - 337009 Boost Gauges This bracket features 1/8 NPT

This bracket features 1/8 NPT threads so that both barbed fittings (included) and AN fittings can be used interchangeably

MS1-XXR6 features a MaXX pressure plate for the serious enthusiast

Fuel Injector Clinic’s 1440cc/min high impedance injector fits nicely between our 1200 and 1650cc injectors

From the changeable internal wave spring to the three-step finishing and anodizing process

Racequip Neck Support Collar - Black - Adult 21 in. - 337009 Boost Gauges This bracket features 1/8 NPTThe RaceQuip SFI Rated 360 Degree Helmet Support Neck Collar is made of high density flame retardant foam which is covered with a woven FRC fabric. Used in auto racing to hold the helmet up off the driver's shoulders and provide a cushion between the helmet and shoulder blades or chest. The round tapered wedge design measures 1 3 4" tall in the front and 2 1 4" tall in the rear. The fully closed measurement allows for up to a maximum neck size of