Lash Adjuster (1996) & Lifter (1997-99)

Measure lash adjuster O.D. Outside diameter should be 1.1795-1.1801" (29.959-29.975 mm). Measure lash adjuster bore I.D. in cylinder head. Inside diameter should be 1.1809-1.1817" (29.994-30.016 mm). Measure lifter O.D. Outside diameter should be 1.2976-1.2982" (32.959-32.975 mm). Measure lifter bore I.D. in cylinder head. Inside diameter should be 1.2990-1.2998" (32.994-33.016 mm). If difference between both measurements is greater than .0039" (.100 mm), replace cylinder head.