Mazda Miata 1.8L(BP056) 1990-1999 Race Master exhaust valves. 28mm head diam., .6mm stem diam., stock length 101.52mm O/A, 3.5mm tip length, 25Â° X 11/32" underhead angle/radius, .065" margin, .080" X 45Â° seat, 20Â° dish.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.