Atomic High Rev Hydraulic Lifters | ‘Anti Pump-Up’ SOHC track racing

track racing

Compatible with all FG & FGX engines

With deep valve reliefs to accommodate high-lift cams and a robust ring land design

Having rebuilt well over 500 Barra engines since 2004 we're not mucking around

Failure to follow the included instructions can lead to severe engine damage

Atomic High Rev Hydraulic Lifters | ‘Anti Pump-Up’ SOHC track racingAtomic "Anti Pump" High Rev Lifters High RPM Stability Double Relief Rate Technology The LIMIT OF Standard Lifters Standard hydraulic lifters are designed for smooth, gentle operation. When you introduce aggressive camshafts, harsh rev limiters (we know you love it), or high RPM, the valvetrain movement becomes sudden and violent. A standard lifter cannot discharge oil fast enough to keep up with these shocks. Instead, it "pumps up," holding the valve