MasterCylinder No: 260-9439-P


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Aluminum Tandem Master Cylinder w/ Pushrod
Prod #: 260-9439-P
Price: $299.31


Master Cylinder Dimensions
Bore Size 7/8"
Area (in²) 0.600
Stroke 1.10
Volume (cu in)
Master Cylinder Description
Type Tandem Outlet
Outlets 2
Material Aluminum
Finish Chrome P-coat
Reservoir
Res Type Integral
Res Size (oz) 8.0 / 4.8
Res Size(cu in) 14.4 / 8.7
Rate
UPC Number
UPC 889545068054
Product Documents
Rebuild Kit Product Data Sheet

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Aluminum Tandem Master Cylinder w/ Pushrod - Product Summary

Wilwood’s 7/8" or 15/16" bore Tandem Aluminum Master Cylinders available in 3 finishes, plain, ball burnished, and black e-coat. These master cylinders are designed primarily for manual applications and include a pushrod. They’re designed for mount flanges from 3.22” to 3.40”, common measurements for most domestic cars and trucks from the mid 1960s to present, and offer fluid outlet ports on both sides of the bore. The stroke is set at 1.10” with a volume ratio of 2:1 between the primary and secondary chambers. Machined from high-pressure die castings, each master cylinder weighs only 3lbs, a 75% weight savings over most cast iron OE type master cylinders. We also offer a combination proportioning valve kit, which includes brackets and stainless lines specifically for use with this master cylinder, see PN 260-13190, or 220-13189 for retrofit kit.





Master Cylinder Dimensions

Wilwood Aluminum Tandem Master Cylinder w/ Pushrod Drawing Wilwood Aluminum Tandem Master Cylinder w/ Pushrod Drawing Zoom Image
Additional Dimensions
Overall Length(in) 12.26"
Flange to End Length (in) 8.15"
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