im doing the brake conversion but im askin about the clutch m/c i know nismo has a performance clutch m/c but i was curious if the clutch m/c will work and has any better perfomance than the stockerShionS14 wrote:The only reason you would need to change to the 300zx master cylinder is if you have the 300zx brake conversion, other wise no you dont need it the stock one works fine.