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Nissan Performance Parts.
Our Nissan RB Oil Pump Drive Collars (also known as Crank Collars) are precision CNC machined from Chrome Moly barstock. Our collar replaces the narrow oil pump drive originally machined on earlier Nissan R32 RB26DETT crankshafts, as well as all RB20DET, RB25DET, RB30E and RB30ET crankshafts. It can also be used to replace a worn oil pump drive on R32, R33 and R34 RB26DETT crankshafts. Our collar provides full engagement on the inner oil pump gear which greatly reduces the likelihood of oil pump gear breakage in these engines. Each collar is supplied with detailed instructions and fasteners. Machining is required to fit this collar and therefore it can not be fitted to a crankshaft while still fitted to an engine. Crank collars come with fitting instructions.
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