1.500" Od. 1.120" Id. 10 Degree 11/32 Chromoly Steel Valve Spring Retainers Design from the ground up

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

This allows for an efficient fluid transfer

enhancing performance under high-stress conditions

Whether you're rebuilding a stock engine or changing to valve springs that have more seat pressure

This is our most popular manifold and is showing up on many performance street machines and street rods

1.500" Od. 1.120" Id. 10 Degree 11/32 Chromoly Steel Valve Spring Retainers Design from the ground upSpeedmaster chromoly steel retainers are made from 4140 chromoly and then heat treated for long life. These retainers are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.