Revive the performance of your 1968-1973 Chevrolet 5.0L/307 V8 with the Enginetech MKC307 Master Engine Rebuild Kit. This kit delivers top-tier components for a complete engine overhaul. Includes pistons and rings (P1540(8), R38858), rod bearings (BB253J), main bearings (BC296J), cam bearings (CC400), full gasket set (C350-1), oil pump (EP55), camshaft (ES274), valve lifters (L817-16), expansion plug kit (PK1), and timing set (TS499). 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.