NAPREC RB26DETT Valve Shim

Car Maker: Nissan
Car Model: Skyline GT-R, R32,R33,R34
Engine: RB26DETT
These valve shims for adjusting valve clearance are vacuum hardened and finished with a flat grinder.
There are 41 different thickness settings available, ranging from 2.00mm to 4.00mm in 0.05mm increments.
(The thickness tolerance is ±0.02mm. The outer diameter is φ12±0.05mm.)

For more details, please go through the below link
NAPREC RB26DETT Valve Shim