Mitsubishi 4D33 tappet clearance - Mitsubishi Cars & Trucks

That isn't the way you buy them. Not by length but for 'year make model engine'

https://www.ebay.ca/b/Belts-Pulleys-Brackets-for-Mitsubishi-Fuso-FE/262059/bn_1453199

https://www.google.com/search?q=Mitsubishi+Fuso+4D33+serpentine+belt

..

Haynesmanual at partstore

https://issuu.com/engineparts2/docs/mitsubishi_6m60_engine_valve_adjust

https://www.youtube.com/watch?v=-Nt-GsUmxhc

https://www.youtube.com/watch?v=UoerbJ6-ByQ

Valve clearance (when cold) 0.4–Adjust

They are Hydrolic and need no adjustment if You have noise
then it is time for them to be replaced.

Valve clearance Intake 0.20 mm (Hot- at operating temp)
Valve clearance Exhaust 0.25 mm (Hot).

Saxo 1.1 dessire anyone no clearances on tappets mine are 0.2 front 0.4 back and won't start

When setting tappets, it has to be born inind that the valve stem wears an indentation into the face of the rocker. This prevents a really accurate tappet adjustment, so the customer is right again. If you do not posess a tappet setting dial gauge, a normal engineers dial gauge will do just as well. The procedure is the same as using your feeler gauge except that you set the dial gauge up on the cylinder head with the pointer resting on the head of the rocker. Press down fairly firmly on the rocker valve end and zero the gauge. Next lift up on the rocker and read off the clearance, from the gauge, Use a magnetic base to support your gauge and repeat the pocedure for each valve pair.

Hydraulic tappets fitted.Automatic adjustment.
If your engine is tapping then they may need to be replaced.
Hope this helps