wat is rhf4 and vr4 fmic??? anyhow...i never force customer to choose clutch spec...but it always depent on wat HP u need to grip n use wat clutch....the semi racing organic clutch can grip ori L2 turbine wif under 1bar boost..so if for further HP a full racing clutch might b needed...any how the clutch set for semi racing is as the thread say so 420...delivery is 30 nation wide exclude sabah n sarawak...the price is already manufacture price..sorry...for further info pls cl, 0125206007/0165449556 bryan (no sms pls, no mid9 cl)bro im using l2s with rhf4 and vr4 fmic ... boosting 1.3 ... if ur clutch can handle .. p.m. me best price for all nessesary items ... i dunwan racing clutch .. semi will do fine ...