Aussiespeed big tall alloy rocker cover to suit Holden 149,161,179,186 and 202 six cylinder engines. External height to the top of the fins is 125mm, Internal height is 105mm
The cover is extremely tall and will accept roller rockers,stud girdle and large diameter valve springs. The cover also has Aussiespeed cast in breather funnels for both oil cap and PCV, no screws, plates or tacked on after thoughts with this Holden 6 alloy rocker cover a small amount of grinding may be required to the thermostat housing.
Solid base cast rail stops the cover from twisting, cast in breather shrouds are a proven way of top end oil control.