Revive the performance of your 1987-1990 Jeep 4.0L/242 OHV L6 with the Enginetech MKJ242 Master Engine Rebuild Kit. This premium kit delivers top-tier components for a complete engine overhaul. Includes pistons and rings (P1593(6), R38856), rod bearings (BB612J), main bearings (BC315J), cam bearings (CC480), full gasket set (J242-47), oil pump (EPK103), camshaft (ES809), valve lifters (L2011-4 x3), expansion plug kit (PK256), and timing set (TS4160). 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.
