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Wilwood now makes a performance master cylinder with a flange specifically for Mopar's unique four bolt pattern. The rectangular mounting flange of our Mopar Compact Tandem master cylinder matches the A-body, B-body and the E-body firewall mounts in the 1960's and 70's. Available in 15/16", 1.00" and 1-1/8" bore sizes without pushrod, 15/16"" and 1.00 with pushrod and Mopar style eyelet. Available in either a chrome powder coat finish or a glossy black E-coat to complement any engine bay. These kits are available that include a combination valve with a hydraulic brake light switch, adjustable proportioning valve, bracket, and plumbing.


Master Cylinder Dimensions
Bore Size15/16"
Area (in²)0.690
Volume (cu in) 
Master Cylinder Description
TypeTandem Outlet
FinishBlack E-coat
Res TypeIntegral
Res Size (oz)7.8 / 4.7
Res Size(cu in)14.0 / 8.5

15/16" Bore, Compact Tandem M/C w/Brkt, Valve, Push (Mopar), Wilwood 261-16796

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