Wilwood 260-4893 Tandem Master Cylinder, 1-1/16 Inch Bore
Universal Fit, Firewall Position, Disc Brake System Type, Tandem Outlet Count, Natural, Natural
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Made from durable lightweight aluminum with a large capacity plastic reservoir and dual outlet bores, this Chrysler-style master cylinder utilizes standard O.E.M. internal components. Standard factory mounting bolt holes can be adapted to racing pedal assemblies with an optional mounting adapter bracket 250-3677. This lightweight (2.5 lbs.) reliable master cylinder is used for drag racing, late model stock cars, street rod and off road applications.
Has a 1-1/16" bore with 9/16"-20 inverted flare and 1/2"-20 inverted flare outlets. Included are two 3/16" brake line fittings that will require you to cut and reflare your brake line.
835-2604893 Instructions (PDF)
Brake System Builder's Tip (Link)
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
- Mount bolt center to center spacing is 3.20"
- Total length (to tip of push rod) is 12.42"
- Length (mount surface to end of MC) is 8.14"
- Push rod thread is 3/8"-24
- Width (reservoir) is 3.61"
- Overall height is 4.83"
- 1-1/16" bore
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Q & A
Anytime you purchase a new master cylinder, it's important to remove all the air before installing it. Here is a very helpful video tutorial that will show you how to bench bleed a new master cylinder.
Tim talks about brake booster adjustment.
Speedway Motors employee Pat O. talks about the CPP Hydroboost Brake System.
Tim talks about why using a new pedal assembly may be better for your project than the original pedal assembly.
After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!
In this Tech Tip, John makes a few suggestions for a customer looking to update the braking system on his ’51 Deluxe.
Manual brake bleeding can be one of the most efficient ways to bleed the air out of your brake lines. Speedway Motors has created a guide to show you step-by-step how to manually bleed your brakes.