YB hydraulic tappet set of 16. Sierra and Escort Cosworth 1986>1994.
A precise copy of the original YB INA valve bucket(now obsolete) as per original Ford specification for 4wd Cosworth YB engines with the larger internal reservoir (not the cheaper VW spec. INA tappets that others pass off as genuine Cosworth tappets!). Note that INA manufacture many tappets that will fit the YB head but the internal design is different which often results in noisy tappets. So beware of cheaper INA tappets being passed off as genuine Cosworth.
These also have a DLC anti-friction coating to the top face of the follower.
Use with cam cover gasket SC YB0736 and Half moon seal SC YB779A
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