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Supertech replacement valve shim for Nissan RB26 engines, sized 12.15mm diameter by 3.60mm thick. These factory-style shims restore valve clearance to OEM specifications when reassembling or servicing valvetrains. Use as a direct shim swap during rebuilds or maintenance to achieve correct lash and preserve valvetrain geometry on RB26 applications.
Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 3.60mm Thick
