Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms. Made from heat-treated, premium-grade 4140 chromoly steel, these adjusters provide 190,000 psi tensile strength for the utmost in reliability. Precision CNC-machined threads to ensure optimum seat pressure, flush-machined set screws for proper contact on the studs, and, best of all, they don't require any special tools for installation. They're available in various sizes to suit your needs. | Brand:Speedmaster
Part Number:PCE255.1003
Part Type:Rocker Arm Nut
Rocker Arm Style:Full roller
Rocker Arm Nut Style:Polylock
Rocker Stud Thread Diameter:3/8-24 in.
Minimum Rocker Slot Width (in):0.600 in.
Overall Length (in):1.007 in.
Outside Diameter (in):0.595 in.
For Use with Stud Girdle:No
Quantity:Sold as a set of 16.
Notes:Suits stainless steel rockers with register in rocker shaft measuring .555. Posi lock has step for register.
CA Residents:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov