Lifter / Lash Adjuster, Valve

Hydraulic Lash Adjuster
Diameter (Std) 22.195-22.212 mm (0.8738-0.8745 inch)
Clearance-to-bore 0.018-0.068 mm (0.0007-0.0027 inch)
Service limit 0.018-0.068 mm (0.0007-0.0027 inch)
Hydraulic leakdown rate a 5-25 seconds
Collapsed lash adjuster gap-intake 2.15-4.69 mm (0.089-0.189 inch)
Collapsed lash adjuster gap-exhaust 2.15-4.69 mm (0.089-0.189 inch)

a Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leak-down fluid in the lash adjuster.
b When installing new pistons. measure the cylinder bore. Install the service piston matched to the piston bore diameter above.