Speedmaster PCE255.1007 7/16" Polylock Rocker Arm Nut Set for Stud Girdle

The Speedmaster PCE255.1007 is a 7/16" Polylock rocker arm nut set engineered for use with stud girdle engine configurations. This specialized fastener set is designed for precision engine assembly and maintenance, providing secure locking capability for rocker arm components in small-block and performance engine builds.

Polylock rocker arm nuts are essential for applications requiring reliable fastening of rocker arms to engine studs. This set delivers the thread-locking security needed in high-vibration engine environments, ensuring rocker arm assemblies remain tight during operation. The 7/16" size accommodates standard engine stud specifications, making it compatible with common performance and aftermarket engine platforms. Ideal for engine builders, hot rod enthusiasts, and professional automotive technicians performing rocker arm installation or replacement work.

Key Features & Benefits

• 7/16" Polylock Design: Features polylock fastening technology for secure, vibration-resistant rocker arm attachment.
• Stud Girdle Compatible: Engineered specifically for rocker arm assembly applications using stud girdle configurations.
• Engine Assembly Focus: Precision-manufactured for demanding engine building and performance engine applications.
• Speedmaster Brand Quality: Backed by Speedmaster's reputation for high-performance engine components and fasteners.

Specifications

Ideal Applications

• Engine rocker arm assembly and installation
• Small-block and performance engine builds
• Engine rebuild and maintenance
• Hot rod and custom engine configuration