MasterCylinder No: 261-15523-BK

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Compact Tandem M/C w/Bracket and Valve (Mustang)
Prod #: 261-15523-BK
Price: $507.91

Master Cylinder Dimensions
Bore Size 15/16"
Area (in²) 0.690
Stroke 1.10
Volume (cu in)
Master Cylinder Description
Type Tandem Outlet
Outlets 2
Material Aluminum
Finish Black E-coat
Res Type Integral
Res Size (oz) 7.8 / 4.7
Res Size(cu in) 14.0 / 8.5
UPC Number
UPC 889545088724
Product Documents
Rebuild Kit Product Data Sheet

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Compact Tandem M/C w/Bracket and Valve (Mustang) - Product Summary

Wilwood has packaged the new Compact Tandem Chamber Master Cylinder (w/ Mustang pushrod) with the Combination Proportioning Valve, L/H mounting bracket, fluid tubes and mounting hardware in a kit. Tandem Master Cylinder represents the latest in refinements in brake pressure actuation and fluid control in a compact package with only 6.55" from mounting flange to end. The slotted flange mounting and included pushrod clevis end makes it a simple bolt on for 1964 to 1973 Ford and Mustang and is compatible with manual system applications. Master cylinders with pushrods are generally intended for manual brake use and available in four bores sizes, 7/8", 15/16", 1.00" and 1-1/8" and two finishes, ball burnished or black E-coat. The combination proportioning valve substantially simplifies wiring and brake proportioning adjustments on vehicles with custom brake systems. The combination block maintains full isolation between front and rear fluid circuits and is specifically designed to accompany the Tandem Chamber Master Cylinder. The combo valve and left-hand side bracket are black E-coated for a performance look and long lasting durability. Stainless steel fluid tubes are precision bent with preinstalled plated steel tube nuts for a simple bolt-on installation between the Combination Proportioning Valve and the Wilwood Tandem Master Cylinder. Stainless steel button head fasteners thread into the bracket for a simple installation and years of durable, rust-free performance. Simply connect the fluid lines, bleed the system, and you're finished.

Master Cylinder Dimensions

Wilwood Compact Tandem M/C w/Bracket and Valve (Mustang) Drawing Wilwood Compact Tandem M/C w/Bracket and Valve (Mustang) Drawing Zoom Image
Additional Dimensions
Overall Length(in) 12.32"
Flange to End Length (in) 6.55"
Inlet Size (in)
Inlet Fit (in)
Outlet Size 1 (in) 1/2-20
Outlet Fit 1 (in) 3/8-24 IF or 1/2-20 IF
Outlet Size 2 (in) 1/2-20
Outlet Fit 2 (in) 3/8-24 IF or 9/16-18 IF
Additional Notes

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Version: 3.05 June 23, 2023