The Enginetech RCJ258F Engine Rebuild Kit is a complete overhaul package for the 1986-1990 Jeep 258 4.2L V6 (258 cid), machined to a 3.810" finished bore (.060" over bore).
Kit contents:
- P3067(6) - Piston Set
- R37556 - Piston Ring Set
- BB612J - Bearing Set - Rod
- BC315J - Bearing Set - Main
- CC480 - Bearing Set - Cam
- J4.2-76 - Gasket Set - Full
- TS504 - Timing Set
- EPK103 - Oil Pump
- PK17 - Expansion Plug Kit
Component specifications:
- P3067(6) - Pistons: D shaped dish top .185 deep. 1.630 Compression Height
- R37556 - Piston rings: Cast. 5/64 5/64 3/16 ring stack
- EPK103 - Oil Pump: gear-type (spur gear), cast iron housing, standard volume / standard pressure, 2-bolt mount
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 1986-1990 4.2L 258 V6 engines for Jeep Wrangler, American Motors Eagle, Jeep J10, Jeep Grand Wagoneer, Jeep CJ7, 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
