38x Valve Seat Cutter kit Carbide Tipped 3 Angle Cut Performance Race Heads

1 x TAP 1/2" X 20 TPI. BIG & SMALL BLOCK V6,V8 DIESEL & PETROL ENGINES HEADS. ALL 3 ANGLE CUT. 2 x DRIVE BARS. Total 38 pcs. 7 mm,8 mm,8.5 mm,9 mm,10 mm. 2.1/8 " 70 DEGREE. 1.3/4 " 70 DEGREE.

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