Bell XD7 Pro Helmet - White Size:7-5/8 (61) 1/8 in NPT Female to

1/8 in NPT Female to 3 AN Male

Sizes From 40-110

then tighten the cam bolts to lock the cam position in place

Fits 1964 To 1977 Olds 330 To 455

Bell XD7 Pro Helmet - White Size:7-5/8 (61) 1/8 in NPT Female toThe Bell XD 7 Pro is the next generation of the proven GTX3. The XD 7 Pro features a composite shell paired with an advanced multi density liner, designed to absorb energy with precision while keeping weight to a minimum. The optical grade Double Screen Anti Fog (DSAF) shield ensures crystal clear vision in all conditions. A redesigned Venturi ventilation system with rear facing chin bar vents and extraction ports keeps air moving and dust out, even