Subscribe to a magazine

New Roller Rockers

Back to article View Gallery
8 of 11
There are roller rocker kits on the market that will act like an after-cat or intake kit, but inside the engine. The factory stamped-steel rockers have a 1.5:1 ratio. The rollers rockers feature 1.6:1 which will magnify the cam movement. It is like putting in a cam with more lift without opening the engine. The roller fulcrums and tips also cut down on drag, and we already talked about that. Good for about 10hp. Yella Terra makes a great set for the 2.5L under part number YT6626A