Rocker Arm Studs / Nuts, Chevrolet: 262-400; 
Pontiac: 326-455, 3/8 in. shank, 7/16 in. 
base diameter, 1.750 in. overall length, 
Pro-Series, kit

Rocker Arm Studs / Nuts, Chevrolet: 262-400; Pontiac: 326-455, 3/8 in. shank, 7/16 in. base diameter, 1.750 in. overall length, Pro-Series, kit

These pro series rocker arm studs are ideal for competition use. They are made from 8470 chromemoly steel and are heat treated to 190,000 psi tensile strength. These studs are concentric within .005 T.I.R. thread pitch to thread pitch which will give you more consistent rocker geometry. With an extra large radius base, these studs are more resistant to flex and will provide a more positive seating.

This part fits the following applications:

Make Engine Year

CHEVROLET 262 -

CHEVROLET 265 -

CHEVROLET 267 -

CHEVROLET 283 -

CHEVROLET 302 -

CHEVROLET 305 -

CHEVROLET 307 -

CHEVROLET 327 -

CHEVROLET 350 -

CHEVROLET 400 -

PONTIAC 326 -

PONTIAC 350 -

PONTIAC 389 -

PONTIAC 400 -

PONTIAC 455 -

Technical:

* Over all stud height: 1.750 in. * Screw in thread depth: .700 in. * Adjuster thread depth: .800 in. * Shank diameter: 3/8 in. * Base diameter: 7/16 in. * Not to be used with OEM style self locking nuts.


Rocker Arm Studs / Nuts, Chevrolet: 262-400; Pontiac: 326-455, 3/8 in. shank, 7/16 in. base diameter, 1.750 in. overall length, Pro-Series, kit ARP2347201$65.99

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