Engintech RCB3800AP | Premium Engine Rebuild Kit for 1991 Buick 3800 3.8L/231

Revive the performance of your 1991 Buick 3800 3.8L/231 OHV V6 with the Engintech RCB3800AP Premium Engine Rebuild Kit. This premium kit delivers top-tier components for a complete engine overhaul. Includes premium pistons and rings (P1581(6), M96136), rod bearings (BB624J), main bearings (BC450J), cam bearings (CC409), full gasket set (B3.8B-81), oil pump repair kit (EK135), expansion plug kit (PK19), and timing set (TS381). Verify fitment for your vehicle and view photos for further fitment information; contact us with any questions. Note: Kit photo is generic; actual parts shown individually. Rod and Main bearings are offered as the same size. Contact us for different sizes.