Product Description
Spring retainers are made from EN40B Chrome Moly.
Nitride Hardened
CNC machined
Set of 16
A standard Cosworth YB spring retainer has a valve spring fitted length of 31.75mm
This stronger race type of retainer will give you a valve spring fitted length of 34mm
34mm is the fitted length of most makes of race valve springs
fitting this retainer saves you machining head to get the correct fitted length
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