One of the most common valvetrain upgrades for pushrod-style engines is roller rocker arms, which are often said to increase horsepower through reducing friction. But is it true? Find out on this episode of Engine Masters. |
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Title: | Do Roller Rocker Arms Add Horsepower? | |
Air Date: | December 4, 2017 | |
Runtime: | Unknown | |
Sally : I have too many requests to request