There is a lot more to a Rhoads lifter than meets the eye. Rhoads lifters are made to produce more vacuum, improve low end torque and idle quality. Increasing vacuum allows you to run more cam in races with vacuum rules. Rhoads roller lifters also offer the same advantages with the added benefit of running higher RPM's due to the roller lifter set-up. JEGS carries Rhoads lifters ready to ship at everyday low prices.