VALVE SEAT CUTTER KIT CARBIDE TIPPED. ATV’s, Motorcycles, Go Karts Heads. To Cut modern Heads hard Seats. CUTTER SIZES AS UNDER. 45 DEGREE ANGLE CUTTERS. 38 MM, 33 MM, 32 MM, 34 MM, 32 MM, 31 MM, 30 MM, 29 MM, 28 MM, 27 MM, 26 MM. 25 MM, 24 MM, 23 MM, 22 MM, 21 MM, 20 MM. 70 DEGREE ANGLE CUTTERS. 35 MM, 28 MM, 25 MM, 23 MM. VALVE GUIDE HONE REAMER HSS – 7 MM, 5.5 MM, 5 MM, 4.5 MM. GUIDE STEMS – 5.5 MM, 5 MM, 4.5 MM, 7 MM. ARBORS + DRIVE RODS. FEEL FREE TO ASK ANY QUESTION. Track Page Views With.