- Not vehicle specific. Customer is responsible for confirming this product fits their vehicle.
ARP 291-5801 - Pontiac 4-cylinder Super Duty-cast block msk
ARP Pro Series Rocker Arm Studs are manufactured from 8470 chromoly steel and are heat-treated to 200,000 psi tensile strength. These products are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. They are designed for use with Perma-Loc adjusters.Note: Automotive Stuff is an authorized dealer of all ARP products, so your new product will include the full factory warranty.
Since 1968, ARP has been engineering bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels and transmissions. The company is the world leader in automotive fasteners and many top engine builders rely on ARP racing products to hold their engines together.
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