"Bullwinkle, that trick never works. Why don't you figure out how to make hydraulic roller lifters survive big spring pressure." "Huh?" Like Bullwinkle, hydraulic roller lifters get no respect. It ...

While HEMI engines have a reputation for toughness and durability, there is one common weak spot in the design: HEMI lifters fail a whole lot. Why?

In today's racing environment, solid roller lifters face grueling punishment on every lap. The engineers at Comp Cams just elevated the level of performance to new heights with the introduction of ...