17x CHEVY 823 SQUARE PORT 3 ANGLE CUT VALVE SEAT CUTTER KIT CARBIDE TIPPED

CHEVY 823 SQUARE PORT. VALVE SEAT CUTTER KIT. FOR INTAKE VALVE. 1x 45 DEG INTAKE BASE CUT. 1x 60 DEG INTAKE BOTTOM CUT. 1x 30 DEG INTAKE TOP CUT. FOR EXHAUST VALVE. 3x VALVE GUIDE STEMS LONGER HEAVY DUTY.

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