Most '80-and-earlier 2.5L engines use the same 3/8-24x7/16-2O "bottleneck" positive-stop rocker arm studs as Pontiac V8s of the same era. An inexpensive adjustable valvetrain conversion that retains ...
The advances produced by the requirements of Pro Stock have been a bellwether for all other users of modified racing engines; that is, all other users who wish to remain competitive. Insatiable ...