Atomic Oil Pump Spring Upgrade 120 DEGREE 4 x 25A (continuous) push-pull

4 x 25A (continuous) push-pull PWM capable (5 kHz) outputs (for power to injectors / coils

Gear Display (where available)

The 20% Underdrive kit can come with an optional pulley and belt kit

but we are unsure if the XR8 engine/gearbox dimensions will result in modifications being required to the crossmember and tail shafts

Atomic Oil Pump Spring Upgrade 120 DEGREE 4 x 25A (continuous) push-pullAtomic Oil Pump Spring Upgrade When you're running big boost, tight bearing clearances, or high RPM loads, factory oil pressure just isnt enough. The Atomic High Pressure Oil Pump Spring is designed to increase the relief valve setting of your Ford Barra DOHC 4. 0L oil pump, delivering stronger, more consistent oil pressure in high demand performance builds. This spring is a simple but essential upgrade ideal for engines running sustained RPM under