Wilwood 7/8in Compact Side Mount Master Cylinder Kit 260-12387

Space constraints shouldn't compromise braking performance. The Wilwood 7/8in Compact Side Mount Master Cylinder delivers full-size stopping power in a footprint engineered for tight engine bays, custom chassis builds, and unconventional brake layouts. With integral side lugs and straightforward bolt-on installation, you get race-proven reliability without fabrication headaches.

Built from E-Coated aluminum, this master cylinder resists corrosion while maintaining the lightweight advantage critical for performance applications. The 7/8-inch bore and 1.120-inch stroke combination provides consistent pressure modulation across varied brake system demands, whether you're running a road course setup or drag racing configuration.

• 7/8-inch bore diameter
• 1.120-inch stroke length
• Aluminum, black E-Coat
• 8.84 inches overall length
• 3.37 inches mounted depth
• Integral side mounting lugs
• 3.00-inch lug center spacing
• 1/8-inch NPT outlet port
• Standard ABS reservoir included
• 10.0 or 7.0 fl oz capacity
• 0.67 cubic inch displacement
• 5.01-inch push rod included
• 5/16-24 push rod thread
• 11/16-20 reservoir threads
• Bolt-on installation
• MPN: 260-12387