S&S, 53-84 hydraulic unit
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Description
OEM reproduction hydraulic unit. Can be used as stock replacement for S&S 512881/512882 tappet sets. Also fits as a direct OEM replacement for 17920-53A hydraulic unit.
Note: Will not fit S&S SH-series (Shovel style) engines.
Note: The early style hydraulic tappets sets can be purchased as a set (hydraulic unit + tappet body with roller) or as individual parts.
When purchasing individual parts correct tolerance cannot be guaranteed, which can influence hydraulic function. Dealers with a larger stock can mix and match hydraulic units and tappet bodies to compose a set that offers excellent bleed-down times.
For all others it is advised to go for a complete hydraulic unit and tappet body assembly from the same manufacturer, as S&S or JIMS offer. These are machined with the correct tolerance relative to each other to work correctly right out of the box.
