Engine Masters Season 2 Episode 11 - Do Roller Rocker Arms Add Horsepower?

Airdate: 2017-Dec-04

Episode summary:

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.

About Engine Masters series:

Engine Masters, presented by AMSOIL is an all-new show on the Motor Trend Channel featuring parts testing and engine-to-engine shootouts. Developed...Show more >