Olds 403 Viton 2pc Rear Main Seal BOP-RMS03

With the mandated removal of asbestos from the factory type rope seals, increased leakage has become commonplace. Our rear main seals solve that problem and install quickly and easily. We source the best material including Viton® for our seals. With nearly every Olds V-8 coverd BOP is your one stop shop for rear main seals!