8-1.25mm chrome plated acorn nut used with the ADA Racing Yamaha Banshee billet head...
Billet dome includes compression(OR039) and dome top(OR020) orings. Squish relief is .020 inch @ 66m..
Unique 1 piece head shell design, uses stock studs. Completely o'ringed, no head gasket. Includes st..
Billet aluminum inline cooler for water cooled systems. Helps to dissipate heat. &nb..
037 buna oring for the 90 degree water outlet on the ADA Racing Banshee billet head...
046 buna oring. Seals head shell to the top of the cylinder on the ADA Racing Yamaha banshee billet ..
033 buna oring for the straight water outlet on the ADA Racing Banshee billet head...
039 viton o-ring. Seals the dome to the top of the cylinder. 2 required. Sold individually...
Small 024 buna oring goes into the groove in the top of the head shell. Seals the head shell to the ..
This is a complete o-ring kit for your ADA billet head. Includes these orings: 2 - or046 outer ori..