The Enginetech RCJ258 Engine Rebuild Kit is a complete overhaul package for the 1971-1980 Jeep 258 4.2L V6 (258 cid), machined to a 3.780" finished bore (.030" over bore).
Kit contents:
- P1519(6) - Piston Set
- R37556 - Piston Ring Set
- BB612J - Bearing Set - Rod
- BC315J - Bearing Set - Main
- CC480 - Bearing Set - Cam
- J258-76 - Gasket Set - Full
- TS494B - Timing Set
- EP81 - Oil Pump
- PK17 - Expansion Plug Kit
Component specifications:
- P1519(6) - Pistons: D shaped dish top .120 deep. 1.581 Compression Height
- R37556 - Piston rings: Cast. 5/64 5/64 3/16 ring stack
- EP81 - Oil Pump: gear-type, cast iron housing, standard volume / standard pressure
Bearing sizing: Select your rod and main bearing size. Rod and main bearings are supplied at the same size; contact us for different or split sizes.
Fits 1971-1980 4.2L 258 V6 engines for American Motors Gremlin, American Motors Matador, American Motors Hornet, American Motors Javelin, Jeep CJ6, Jeep DJ5, Jeep J-4500, Jeep J10, and more. Verify fitment for your specific vehicle.
WARNING: This product may expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
