7 Degree 11/32" Std Install Height Chromoly Valve Locks Keepers Windsor and Big block applications

Windsor and Big block applications feature cast construction

High-volume water pumps have a ribbed aluminum housing and a heavy duty ball/roller bearing assembly

To remain street legal with a square bore carb

where dynamic flow and rock-steady pressure control are desired

but both factors can be equally important in a race car

7 Degree 11/32" Std Install Height Chromoly Valve Locks Keepers Windsor and Big block applicationsSpeedmaster valve locks are designed for stock or performance engines using 7 degree valve locks. They are manufactured from machined steel and offer excellent valve spring location, so it is not necessary to change to a 10 degree retainer. Whether you're rebuilding a stock engine or changing to valve springs that have more seat pressure, these Speedmaster valve locks will provide the reliability that you've been looking for.