Listing is for a CAM8 PERFORMANCE bearing mounted CAMSHAFT 40mm front and 35mm rear and a pair of Berlt racing upgraded bearing type rocker arms Less drag on motor = more bhp + harder and stronger than oe complete with adjuster tapets and locking nuts as per photo Fit straight on standard Honda cylinder head no hassle bolt on power Less wear don’t need to adjust tapets as regular and makes for a much quieter engine Rocker rollers fit straight in Camshaft you must machine your damaged head out to 40mm front journal and 35mm rear to fit the bearing cam