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ARP Rocker Arm Studs 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 arm 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™ or Shuir-loc rocker arm nuts
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 track competition and street use. Tip ground flush for optimum adjuster seating
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.
NOTE: To verify the application and part number, please review the various dimensions: B) overall stud height, C) screw-in thread depth, D) adjuster thread depth, E) shank diameter and thread, F) base diameter and thread.
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.
This product is in the following categories:
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Rocker Arm Bolts and Studs
Manufacturer:
ARP Bolts
Part #: 100-7101
Rocker Arm Studs, 7/16-20 in. Thread, 1.900 in. Effective Stud Length
Part #: 100-7101
ARP High Performance Series Rocker Arm Studs, 7/16-20 in. Thread, 1.90 in. Effective Stud Length
Part #: 100-7201
GM 4.3L, Vortec V6 Rocker Arm Studs 3/8-24 in. Thread, 1.595 in. Effective Stud Length
Part #: 134-7101
Rocker Arm Studs 3/8" Small Block Applications - 3/8-24 in. Thread, 1.75 in. Effective Stud Length
Part #: 134-7103
Rocker Arm Studs 7/16" Small Block Application - 7/16-20" Thread, 1.77" Effective Stud Length
Part #: 134-7104
Rocker Arm Studs 3/8" w/ Roller Rockers 3/8-24" Thread, 1.895" Effective Stud Length
Part #: 134-7201
Chevy Vortec Late Model Rocker Arm Studs 3/8-24" Thread, 1.75" Effective Stud Length
Part #: 135-7101
Rocker Arm Studs 7/16" Big Block Applications - 7/16-20" Thread, 1.75" Effective Stud Length
Part #: 135-7102
Mark V Block Rocker Arm Studs 7/16-20" Thread, 1.900" Effective Stud Length
Part #: 135-7201
Chevy Big Block 496 (8100 Series) Rocker Arm Studs 7/16-20" Thread, 1.75" Effective Stud Length
Part #: 135-7202
Chevy Big Block (aluminum heads) Rocker Arm Studs 7/16-20" Thread, 2.35" Effective Stud Length
Part #: 200-7201
Rocker Arm Studs Roller Rockers & Girdles 7/16-20" Thread, 1.90" Effective Stud Length
Part #: 200-7201
Typical Ford Small Block Rocker Arm Studs 7/16-20" Thread, 1.90" Effective Stud Length
Part #: 200-7202
Typical Small Block 7/16" Application - 7/16-20" Thread, 1.900" Effective Stud Length
Part #: 234-7201
Rocker Arm Studs Typical Small Block 3/8" Application - 3/8-24" Thread, 1.75" Effective Stud Length
Part #: 234-7202
Rocker Arm Studs Typical Small Block 7/16 Application - 7/16-20" Thread, 1.77" Effective Stud Length
Part #: 234-7205
Rocker Arm Studs w/ Roller Rocker & Stud Girdle 7/16-20" Thread, 1.900" Effective Stud Length
Part #: 234-7206
Rocker Arm Studs w/ Roller Rockers & Stud Girdle 7/16-20" Thread, 1.900" Effective Stud Length
Part #: 235-7201
Rocker Arm Studs Typical Big Block 7/16" Application - 7/16-20" Thread, 1.75" Effective Stud Length
Part #: 235-7202
Dart Aluminum Heads Rocker Arm Studs 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 235-7203
Rocker Arm Studs Aluminum Heads Exhaust Studs Only - 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 235-7204
Rocker Arm Studs Aluminum Heads, Intake Studs 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 235-7205
Dart Aluminum Rocker Arm Studs 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 235-7206
Aluminum Heads Exhaust Studs, Rocker Arm Studs 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 235-7207
Aluminum Heads Intake Rocker Arm Studs 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 254-7201
SVO 351cid w/ Roller Rockers & Girdle Rocker Arm Studs 7/16-20" Thread, 3.000" Effective Stud Length
Part #: 290-7201
Rocker Arm Studs Pontiac (1964 & Later) 7/16" with 1/2" coarse - 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 334-7201
Rocker Arm Studs Roller Rockers & Stud Girdle 7/16-20" Thread, 1.900" Effective Stud Length
Part #: 334-7202
Rocker Arm Studs w/ Roller Rockers & Stud Girdle 7/16-20" Thread, 2.100" Effective Stud Length
Part #: 334-7203
Rocker Arm Studs w/ Roller Rockers & Stud Girdle 7/16-20" Thread, 2.100" Effective Stud Length
Part #: 334-7204
Rocker Arm Studs w/ Roller Rockers & Stud Girdle 7/16-20" Thread, 2.000" Effective Stud Length
Part #: 354-7202
SVO 351cid w/ Roller Rockers & Girdle 7/16-20" Thread, 3.000" Effective Stud Length
Part #: 354-7203
SVO 351cid w/ Roller Rockers & Girdle 7/16-20" Thread, 2.800" Effective Stud Length
Part #: 354-7204
SVO 351cid w/ Roller Rockers & Girdle 7/16-20" Thread, 2.700" Effective Stud Length