The Enginetech MKJ258G Master Engine Rebuild Kit is a complete overhaul package for the 1979-1980 Jeep 258 4.2L V6 (258 cid), machined to a 3.790" finished bore (.040" over bore).
Kit contents:
- P3067(6) - Piston Set
- R37556 - Piston Ring Set
- BB612J - Bearing Set - Rod
- BC315J - Bearing Set - Main
- CC480 - Bearing Set - Cam
- J258-76 - Gasket Set - Full
- ES652 - Camshaft - Stock
- L2011-4 - Valve Lifter
- TS494B - Timing Set
- EP81 - 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
- ES652 - Camshaft: .380"/.380" valve lift, 185/185 duration @ .050", 109/112 lobe centers, hydraulic
- 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 1979-1980 4.2L 258 V6 engines for Jeep CJ5, Jeep CJ7, Jeep DJ5, Jeep J10, Jeep Wagoneer, 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
