WIX 51069R Racing Oil Filter Suit SBC/BBC, Short, 13/16-16 ThreadWix 51069R High Efficiency Racing Oil Filters are for use on dirt, clay & off road race tracks. They are built to withstand extreme bursts of pressures (up to 500 psi) and extremely high racing temperatures (up to 300 F). Zinc chromate plated base plate provides low surface friction and is corrosion free, and spiral wound centre tube provides increased collapse pressure and enhanced flow pattern. All filters are individually sealed to protect against