Description
This a is a Manganese Silicon Bronze Valve Guide Set (8) for the Triumph TR2, TR3 and TR4 to CT21470 with 3/8 inch Exhaust Valve. With the the intake having an outside diameter of .500 and exhaust with a .535 outside diameter guide (Very Important this measurement is checked). Why choose a Manganese Silicon Bronze Valve guide; The Bronze has the amazing ability to self lubricate plus the Bronze provides superior heat transfer and resists seizing compared to standard Cast Iron Valve Guides. Rebuild your Cylinder Head once with High Quality Manganese Bronze Valve Guide. Contains 4 B250; 4 B375 valve guides.
