Toyota Supra 3.0L(7MGE-TURBO 7MGTE) 1986-1992 Race Master exhaust valves. 28.5mm head diam., 6mm stem diam., stock length 98.05mm O/A, 4mm tip length, 25Â° X 11/32" underhead angle/radius, .065" margin, .080" X 45Â° seat, 20Â° dish.
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