Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine youll need to replace them all in order to regain the engines original performance. And, lets face it, Jeeps need all the power we can get. Omix offers new high quality replacement engine parts to get your Jeep back on the road. This replacement rocker arm kit fits 83 - 86 CJ, 87 - 95 Wrangler YJ and 97 - 06 Wrangler TJ models equipped with 4.0 and 4.2 liter engines. Kit includes 6 rocker bridges, 12 rocker pivots and 12 rocker arms17409.01 Intake Spring 134 Ci 41 - 71 Willys Jeep