Wilwood 260-4893 Tandem Master Cylinder, 1-1/16 Inch Bore
Universal Fit, Firewall Position, Disc Brake System Type, Tandem Outlet Count, 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
Tim talks about brake booster adjustment.
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.
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.
Tim demonstrates the brake assembly with a Wide 5 drum brake and Speedway's new self-energizing backing plate.