Part# H186-INT-Stud-Zn - Holden 186, 202 six cylinder engines manifold stud kit. This inlet manifold bolt kit allows you to bolt the intake manifold and exhaust manifold onto a Holden Red, Blue or Black motor with nice new grade 8 black studs with the hex slot in one end and zinc coated nylon insert locking nuts and hard washers. Suits the standard holden head and the Yella Terra alloy head.