VALVE SEAT RESTORATION KIT. Block Chevy 305 Heads. 3 ANGLE CUT AS OEM VALVE SEAT. 3 x 1.840 30, 45 & 60 Degree for Intake. 1.500 30, 45 & 60 Degree for Exhaust. 11/32 VALVE GUIDE REAMER HSS. 5/16 VALVE GUIDE REAMER HSS. 3/8 VALVE GUIDE REAMER HSS. 2x T – HANDLE. 1x THREAD CLEANER TAP. PACKED IN WOODEN CASE. PLEASE FEEL FREE TO ASK ANY QUESTIONS.