This kit Includes 11 Studs, 11 Washers and 11 Nuts.
Old intake & exhaust manifold nuts and studs will stretch and weaken with use, often they break when trying to remove them. They should be replaced when installing any header, replacing a new intake or changing the head. This kit Includes 11 Studs, 11 Washers and 11 Nuts.
*PLEASE NOTE APPLICATION DETAILS BELOW!
This kit is for all 70-83 Z cars, 521b 620 trucks and 510s. Any L Series Engine. Fits E31 E88 ,N42, N47, P79, P90, U67, W58, A87, W53
All L-Series heads also have 6 "spacers" that hold down both the intake manifold and the exhaust manifold/header at the same time. Check to see if these are worn and in need of replacing also.