We are the only supplier of one piece race spec large valves and high lift valve springs for the 16v Mini Twin Kam conversion. The valves are 5mm stems, 24mm exhaust and **28.25mm inlet, the exhaust valves fit onto stock seats, any piston we supply/machine will have clearance for these valves.. The springs will allow more than 10.2mm of cam lift if required with a valve bounce. Resonance point of 11500rpm.
**NOTE:_ As the inlet valves are this large they will require your cylinder head to have new larger "inserts" fitted to take the valves - contact us for prices to have your head converted
Price is for 8 x inlet valves
NEW FOR 2024, MAXIMISING WHAT THE K HEAD WILL PROVIDE FLOW WISE WE'VE PUSHED THE VALVE SIZES FURTHER THAN EVER BEFORE - "NEVER STAND STILL!"
**NOTE:_ As the inlet valves are this large they will require your cylinder head to have new larger "inserts" fitted to take the valves - contact us for prices to have your head converted
Price is for 8 x inlet valves
NEW FOR 2024, MAXIMISING WHAT THE K HEAD WILL PROVIDE FLOW WISE WE'VE PUSHED THE VALVE SIZES FURTHER THAN EVER BEFORE - "NEVER STAND STILL!"