On the '97 & older 2.2Ls, you'll need to either use the Comp Cams Magnum Roller Tip Rocker Arms for the 2.8L V6, or you'll need to replace the stock studs with a 10mm base, 3/8" top studs from ARP or Crane Cams. Both of these methods will require you grind approximately 1/8" from the guide plates groves, closest to the stud. Depending upon the stud, nut(Poly-Lock), and/or rocker arm combo, some grinding of the valve cover and/or V.C. breather baffle will be required.
On the '98+ 2200s A change of studs is required and grinding of the V.C. is required for clearance.
