Fits stock cams with dished gearsOil Pumps are the most overlooked part of an engine. It doesn't make sense to put big bucks and time into an engine and then tack on just any old off brand oil pump.CB's Maxi Pumps are the only VW oil pumps that have the main drive shaft locked to the pump gear with a wedge key. They can't slip or lose oil pressure. The driven gear runs on a shouldered shaft that locks it firmly in place. It can't be forced through the pump body and jam against the cam gear as with cheaper oil pumps. CB oil pumps are manufactured by an OEM supplier and feature full size 26mm gears. The pumps are assembled with closer tolerances than stock pumps to provide increased oil pressure during low speed operation. They slip right in and increase the life of your engine.Maxi Pump 2 - Filters 100% of your oil all of the time. The Maxi 2 guarantees total filtration of all engine oil before it reaches the bearings. The added volume of the Maxi 2 will increase engine life by lowering engine temperature and pumping only 100% filtered oil to the bearings. The Maxi 2 features a die cast aluminum alloy pump housing pre-set to racing specs. The 9 tooth gears and special 'pressure chamber' design provide full range oil performance that only a Maxi Pump can supply. The spin-on oil filter can be changed in just minutes. Just unscrew the old unit and spin on a new filter. All oil is under the engine and cleanup is kept to a minimum. Check your application carefully before ordering. Two models of the are available, to fit all upright Sedan engines to 1975 and Vans to 1967. Excluding auto stick shaft models. Will not fit with Merged Headers.Drilled and tapped for 1/4" pipe. Face Plate Gaskets are also available. Oil Filter sold separately.