Allstar Performance Master Cylinder Plug Kit — 1/2-20 & 9/16-28 in | ALL99258 1972-gmc-k35-k3500-pickup-esi6118230 Built with 1/2" NPT female

Built with 1/2" NPT female cooler ports and includes 1/2" NPT x 3/8" hose barb adapters

or 250 gallons of diesel fuel

Cleanable With K&N Cleaner

Fits upper and lower connection

This kit has 6 pins

Allstar Performance Master Cylinder Plug Kit — 1/2-20 & 9/16-28 in | ALL99258 1972-gmc-k35-k3500-pickup-esi6118230 Built with 1/2" NPT femaleThis Allstar Performance master cylinder plug kit is made from zinc plated steel and includes plugs in 1 2 20in and 9 16 28in thread sizes, covering both common master cylinder port sizes. Compatibility Universal master cylinder port plug kit, two thread sizes included: 1 2 20in and 9 16 28in. FAQ What thread sizes are included in the ALL99258 kit? The ALL99258 kit includes plugs for 1 2 20in and 9 16 28in threaded ports. What is the ALL99258 made