selling a guy a set of gsr camshafts but today when i went to take the camgears off i really never looked before but they say pr3 on them isnt that the b16 motor? Please help me out i got the camshafts with a gsr head but they werent installed if theres anyway anybody nows by looking at camshaft please inform me, i dont want to sell this guy a part that isnt what i said it was.Please post if you can help me out.