Neck Support Collar Black (SFI 3.3) Coil We recommend you upgrade your

We recommend you upgrade your rear engine mount due to engine movement

It is recommended to use all six straps to replicate the strength of the window net itself

Electrical fly lead

Flying leads simplify connection with user desired connector

Neck Support Collar Black (SFI 3.3) Coil We recommend you upgrade yourThe RaceQuip SFI Rated 360 Degree Helmet Support Neck Collar is made of high density flame retardant foam covered with woven FRC fabric. It is used in auto racing to lift the helmet off the driver's shoulders and provide cushioning between the helmet and the shoulder blades or chest. The round tapered wedge design measures 1 3 4" in height at the front and 2 1 4" at the rear. The fully closed measurement allows for a maximum neck size of about 17",