proflow ls aluminium barbell & freeze welch plugs, aluminium, block hardware, chev, for holden, commodore ls, kit

Proflow's LS series welsh plug kit is a necessity when rebuilding your ls series engine. The kit includes all brass welsh plugs required, including a new barbell which is now made from 6061 aluminium. The new billet barbell replaces the factory plastic barbell which can become brittle and fatigue over time.