No matter the condition of your 1979 Bonneville, OPGI has the Driveshafts, Drive Chains, Couplers & Yokes products you need to boost performance and get you back on the road. We currently carry two Driveshafts, Drive Chains, Couplers & Yokes items to choose from for your 1979 Bonneville, and our Price Match Guaranteed prices range from as little as $6.88 up to $189.99. OPGI offers Moser Engineering plus zero other trusted brands of Driveshafts, Drive Chains, Couplers & Yokes products for your 1979 Bonneville, to help you find quality parts you can rely on. With OPGI's 45-day return policy, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Driveshafts, Drive Chains, Couplers & Yokes items in person.