Mauler 440 Engine Roller Swap
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The roller swap is pretty simple, since the Comp roller lifters drop right in on a big-block Mopar with no modifications. Rollers cam profiles are a higher velocity at higher lift portions of the valve event cycle. This effectively increases the time the valves spend at higher lift. The roller also has the key benefit of allowing much higher spring loads, which lends nicely to controlling the valves when the action gets serious. View Related Article
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