Thank you for subscribing to our newsletter. Watch out for the common spherical-up of news, evaluations and offers with your inbox. All RB engines have belt driven cams along with a cast iron block. Most turbo versions have an intercooled turbo (the exceptions becoming the single cam RB20ET & RB30ET https://archerojymv.full-design.com/not-known-factual-statements-about-r33-rb26dett-engine-for-sale-73793898