What sizes are your Stage 3 or Ultimate Big Valves?

We can supply standard, Stage 3 and also Ultimate Big valves and have placed the sizes of these below for you.

Standard Valves - pre 1976 cylinder heads Inlet Diameter - 37.82 mm Exhaust Diameter - 34.32 mm Standard Valves - post 1976 cylinder heads Inlet Diameter - 39.83 mm Exhaust Diameter - 34.42 mm Stage 3 Valves Inlet Diameter - 41.40 mm Exhaust Diameter - 35.56 mm Ultimate Big Valves Inlet Diameter - 42.93 mm Exhaust Diameter - 36.83 mm

Valves and other essential engine components can be found in our Engines and Components section of our eBay shop.