NACA DUCT TurboCharger Black Anodized O-ring 9/16"-18 to

Black Anodized O-ring 9/16"-18 to -6AN

If you purchase anchors without nut washers for use with helmets having a built in M6 terminal

Innovative high performance piston skirt design that provides:1

0L 8v SOHC 136mm head stud set

If you purchase post anchors with nut washers from Simpson

NACA DUCT TurboCharger Black Anodized O-ring 9/16"-18 toThe COOLSHIRT NACA duct provides air flow to the cooler in order to help cool the driver. The NACA duct brings in fresh air from outside of the car instead of having to rely on the hot air inside of the car. This provides drivers with fresh, cool air to their helmets. ADDITIONAL INFORMATION Weight 1 lbs Dimensions 7 3 2 in