510 Brake booster master cylinder assembly

Rebuilt small can booster with new 7/8 tandem master cylinder, polished 7/8 adapter & polished base. Assembled ready to fit with stainless steel nylocs & washers. Includes new vacuum check valve. Available with disc/drum or disc/disc master cylinder.
Suit 510,1600,180B,120Y etc.
No exchange parts required.