Low Friction B/J Screw K727 w/ K6141 Pin +1in

The Low Friction B/J Screw K727 w/ K6141 Pin +1in from ALLSTAR PERFORMANCE is a precision drivetrain component designed for high-performance engine builders and automotive enthusiasts who require reliable power transfer solutions. This fastening assembly is versatile enough for various applications, including drag racing, street performance, and other custom engine configurations.

Engineered for vibration isolation and controlled clamping force, the +1in extended length variant accommodates modified block geometries. The low-friction screw design minimizes binding and ensures consistent preload across the fastening surface, making it ideal for securing rotating assemblies or structural components under extreme conditions. The polished finish helps reduce galling during installation and removal, enhancing the longevity of the threads.

This fastener is beneficial for a wide range of engine builders and mechanics, particularly those working on small-block and big-block engines. Its compatibility with cast iron and aluminum blocks makes it a valuable addition to any performance engine rebuild, ensuring a secure and repeatable joint that withstands high-RPM operation and heavy shock loads.