I have the chance to purchase a set of roller rocker arms which will fit my Chevy small block crate engine. The roller rockers are almost new. Is there any great advantage? Understand the less friction possibly more RPM part. Worth any additional horsepower? If so anyone want to take a guess.
Make sure you know the ratio. A lot are made with a longer ratio for more valve lift.
The roller reduces the side load on the valve stem . This is especialy usefull on high lifts, either by cam or ratio.
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