Tilton 78-625 | 5/8" Bore Master Cylinder | 78 Series

78-Series master cylinders offer the latest in racing master cylinder technology in a very lightweight and compact design. The rear spherical bearing mount and one-piece piston/pushrod eliminate side thrust into the master cylinder bore, providing consistent and repeatable braking.

SKU: 78-625

78-Series Master Cylinder Features

• Directly interchangeable with 77‐Series master cylinders
• Billet aluminum body with proprietary low‐friction coatings minimize wear and provides smooth operation
• Rear spherical bearing mount and one‐piece piston/pushrod eliminates side thrust into the master cylinder bore, providing consistent and repeatable braking
• Hand‐built and blueprinted for cut‐off port travel
• External dust boot included
• O‐ring seal at the main rod guide and body interface
• 1.1” of stroke
• AN-3 Female Outlet port
• AN-6 Female Inlet Port

Rebuild Kit: 78-625RK

Adapter fittings for inlet:

• AN-6 to AN-4 SKU: 77-015
• AN-6 to AN-4 Banjo Fitting SKU: 78-3400

Installation Drawing

Rebuild Instructions

Note: Flexible lines must be used for inlet and outlet port plumbing. 

 **78-Series master cylinders are designed specifically for use with Tilton 800 & 900-Series pedal assemblies and balance bars.