Sparco AIR PRO 1977 Helmet Size:Small while Z3 M's need to

while Z3 M's need to select the 96-99 E36 M3 OEM Perch

Swift Assist Springs are made from a proprietary material

Note:  Installs with our SPL Parts V2 or V3 Tension Rods (#SPL TR S13/S14) only

and track width adjustment for the S550 Ford Mustang

It's a DOT-approved tire ready for your next autocross event or track day

Sparco AIR PRO 1977 Helmet Size:Small while Z3 M's need toThe Air Pro 1977 is a painted version of the Air Pro RF 5W. This retro inspired helmet has a white base with blue or red stripes and has a clear coat painted over. The Air Pro 1977 features a carbon Kevlar fiberglass construction. It includes a wider eye opening that can be used for open wheel or closed cockpit driving. Multiple exterior vents increase circulation to a redesigned interior. The interior has channels which not only cool the driver, but