ARP Rocker Arm Studs High Performance Series

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. ARP rocker studs are concentric within .005 T.I.R. thread pitch to thread pitch. They run-in straight and true. Lengths are exact designed to provide positive seating every time. An extra-large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models.

NOTE: Not to be used with OEM-style, self-locking nuts. To be used with ARP's patented Perma-Loc adjusters.

HIGH PERFORMANCE SERIES
Made of 8740 chrome moly forgings and heat-treated to 180,000 psi. Excellent for E.T. Bracket Racing, limited rule oval trackcompetition and street use. Tip ground flush for optimum adjuster seatin.

PRO SERIES
Designed for competition applications, ARP's Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 200,000 psi.

IMPORTANT TECH NOTE
It is highly advisable to determine what the optimum rocker arm stud length is for your particular application. This is especially true when long pushrods and valves are employed you should raise the installed height of the rocker arm to compensate for the longer-than-stock components.

Vehicle Fitments:

Year	Make	Model	Submodel
1968 - 1974	Ford	Bronco	Base
1975 - 1993	Ford	Bronco	Custom
1985 - 1996	Ford	Bronco	Eddie Bauer
1975 - 1978	Ford	Bronco	Northland
1975	Ford	Bronco	Ranger
1978 - 1981	Ford	Bronco	Ranger XLT
1968 - 1969	Ford	Bronco	Roadster
1975 - 1977	Ford	Bronco	Sport
1968 - 1973	Ford	Bronco	Wagon
1990 - 1996	Ford	Bronco	XL
1982 - 1983	Ford	Bronco	XLS
1984 - 1996	Ford	Bronco	XLT
1982 - 1993	Ford	Bronco	XLT Lariat
1992	Ford	Bronco	XLT Nite
1995 - 1996	Ford	Bronco	XLT Sport