Upgrade your valvetrain security with these Mr. Gasket 7/16″ Poly Locks, designed for Ford engines running adjustable rocker arms. These heavy-duty locks ensure your rocker arms stay firmly in place, even under high-RPM performance conditions, making them ideal for both street and race applications.
Perfect for classic Ford builds, cam upgrades, and performance engine tuning.
£52.50
1 in stock
Upgrade your valvetrain security with these Mr. Gasket 7/16″ Poly Locks, designed for Ford engines running adjustable rocker arms. These heavy-duty locks ensure your rocker arms stay firmly in place, even under high-RPM performance conditions, making them ideal for both street and race applications.
Perfect for classic Ford builds, cam upgrades, and performance engine tuning.
Suitable for Ford V8 engines using 7/16″ rocker arm studs, including:
Small Block Ford
Big Block Ford
Performance and aftermarket cylinder heads requiring poly locks
(Verify stud size before purchase.)
7/16″ Thread Size – Fits Ford adjustable rocker arm setups.
Hardened Steel Construction – Built to withstand high-load performance use.
Positive-Lock Design – Prevents loosening and maintains accurate valve lash.
Ideal for Performance Engines – Recommended for high-lift cams and upgraded valvetrain components.
Easy Installation – Direct replacement for standard rocker arm nuts.
With over 40 years supplying classic American car parts to UK enthusiasts, we stock high-quality components locally — ensuring fast delivery and no import delays.
