Big-Block Rocker Arm Adjuster Nut Set (Stud Girdle, Perma-Loc®) by ARP®
Heat-treated 8740 chromoly adjusters use precision threads and flush-tip locking screws.
ARP® Perma-Loc® rocker-arm adjusters for Big-Block, with Stud Girdle are forged from 8740 chromoly steel and heat-treated through the full body. Precision CNC-machined threads, a flush-machined set-screw tip and a 12-point wrenching head help maintain secure, even rocker adjustment.
• Product: Perma-Loc® Rocker Arm Adjuster Set
• Engine application: Big-Block, with Stud Girdle
• Material: 8740 chromoly steel
• Construction: Through-hardened body
• Locking feature: Flush-machined set-screw tip
• 300-8249: 7/16-20, 2.050/2.615 in. OAL, Big-block with girdle
Notes
- This item is not eligible for any further discounts or promotional pricing.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
