CoFast® High Quality Head Valve Set Aftermarket Bostitch N70CB Nailer 7 parts
#11 851438 x 2 O-Ring 2.235″ X. 115″ sit outside head valve piston. #10 104059 Head Valve. #7 101256 Compression Spring. #6 N80161 Piston Stop. GrandVista760 is a California Corporation which has been in operation since 2004.