The Tilton 78 series master cylinder are a lightweight and compact design suitable for use on Tilton 800 and 900 series pedal assemblies. A precision spherical bearing rear mount and one piece piston / pushrod design eliminate side loading on the cylinder bore. This allows for more consistent and predictable braking.Several bore sizes available to allow a perfect match to your braking system requirementsInternal friction coatings provide smooth operation and minimise wearBore side loading eliminated for more consistent brakingHand built and blueprinted cut-off port travelTilton 78 series master cylinders are constructed from a billet aluminium body for weight reduction. Cylinders are hand built and blue printed for optimum performance and repeat ability in braking.Specifications:Outlet port: -3AN (3/8" UNF)Inlet Port: -6AN (7/16" UNF). A male to male adaptor to -4AN is available separatelyPushrod: 3/8" UNFStroke: 26.9mm