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.