Product Description
These stainless steel valves for the M30 are swirl-polished and slightly back cut – we find them reliable and have seen a slight performance advantage over the factory valve. 38mm is the correct factory-replacement size.
OVERSIZE OPTION: These +1 (39mm) stainless steel exhaust valves do not require new valve seats (the factory seats can easily be reamed 1mm larger).
Reviews
There are no reviews yet.