7/16" Polylock Rocker Arm Nut Set (Suits: BBC 454 Stud Girdle)

Brand:	Speedmaster
Part Number:	PCE255.1008
Part Type:	Rocker Arm Nut
Rocker Arm Style:	Full roller
Rocker Arm Nut Style:	Polylock
Rocker Stud Thread Diameter:	7/16-20 in.
Minimum Rocker Slot Width (in):	0.600 in.
Overall Height (in):	2.000 in.
Outside Diameter (in):	0.750 in.
For Use with Stud Girdle:	Yes
Quantity:	Sold as a set of 16.

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.