Who is the manufacturer of the head?
Asked 3 years ago
ProMaxx FOR85XN Replacement Cylinder Head
Do they come fire ringed?
Asked 1 year ago
Do these have valve guide inserts and what material copper or steel?
Asked 4 years ago
Do these heads have hardened or thicker cast valve seat areas?
stock valve springs?
Asked 11 months ago
Are these sold as a pair or is this per head?
Do the studs come installed?
Does the new cylinder head come with gaskets?