Genuine GM High Volume Engine Oil Pump Suitable for VT VX VY VZ VE VF Holden Commodore & HSV LS1 LS2 LS3 L98 V8. This genuine GM high volume oil pump provides even more oil to your engine when compared to your standard oil pump, making it the perfect choice when upgrading your camshaft or using it as a serviceable replacement - all whilst remaining incredibly cost effective.Issues often become apparent when removing your old oil pump when working on your engine. Remove this risk and replace your worn out unit with this quality high volume oil pump and rest assured your engine is getting the oil it needs for many years to come. Genuine GM High Volume Oil Pump. Fits all VT VX VY VZ VE VF Holden Commodore & HSV LS1 LS2 LS3 L98 V8 engines. Direct bolt on replacement for your standard oil pump, no modifications are required. Designed to retain your standard pick-up O-ring & relief spring.