Upgrade or maintain your engine valvetrain with this set of 16 ISky Rocker Arm Adjusting Nuts (PL516), designed for 5/16-24 stamped steel style rocker arms. Featuring polylock technology, these nuts resist loosening under vibration and high-RPM conditions, ensuring reliable valve adjustment and consistent engine performance.
£99.50
Out of stock
Upgrade or maintain your engine valvetrain with this set of 16 ISky Rocker Arm Adjusting Nuts (PL516), designed for 5/16-24 stamped steel style rocker arms. Featuring polylock technology, these nuts resist loosening under vibration and high-RPM conditions, ensuring reliable valve adjustment and consistent engine performance.
Fits engines using stamped steel rocker arms with 5/16-24 threaded studs, commonly found in Chevy, Ford, and Mopar V8 applications.
Polylock Design – Prevents nuts from loosening under vibration or heat.
Stamped Steel Style Compatibility – Ideal for traditional rocker arms.
5/16-24 Thread Size – Fits standard rocker arm studs.
Set of 16 – Complete kit for a full V8 engine.
Durable Construction – Engineered for long-lasting performance in high-stress applications.
With over 40 years supplying American car parts to UK enthusiasts, we stock trusted components locally — ensuring fast delivery and no import delays.