Terra Firma is proud to offer the Tomei oil pump drive collar for RB early series crankshafts! Early RB engines are known for having a smaller nose leading to early oil pump failure. Although corrected in later year RBs by increasing the contact area of the oil pump drive on the crankshaft, this part is a lifesaving way to protect your early RB from catastrophic engine failure. Furthermore, changing the oil pump gear set to a billet style eliminated any oil failure issues by the end of the RB run. We recommend this conversion on any early RB motor by adding this collar and upgrading or changing your factory oil pump.
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