VALVE SEAT RESTORATION KIT. 3 ANGLE CUT HONDA SINGLE CYLINDER HEADS. VALVE SEAT CUTTER KIT CARBIDE TIPPED. 3 ANGLE CUT AS OEM VALVE SEAT. 30 & 45 degree 28 mm INTAKE. 30 & 45 degree 31mm INTAKE. 30 & 45 degree 24 mm EXAUST. 30 & 45 degree 26 mm EXAUST. 70 degree 28 mm. 70 degree 31 mm. 70 degree 24 mm. 70 degree 26 mm. 4 mm, 4.5mm, 5mm, 5.5mm VALVE GUIDE REAMER HSS. 4 mm, 4.5mm, 5mm, 5.5mm. PLEASE FEEL FREE TO ASK ANY QUESTIONS. FREE TARIFF AND FREE DUTY FOR USA CUSTUMERS / BUYERS. Track Page Views With.