Wilwood 260-14957-BK Compact Tandem Master Cylinder Bore with Pushrod - 7/8

The Wilwood 260-14957-BK Compact Tandem Master Cylinder delivers reliable braking performance for manual brake applications. Featuring a 7/8" bore diameter and durable black e-coat finish, this lightweight master cylinder is engineered for precision and longevity.

Key Features:

• 7/8" bore diameter optimized for manual brake systems
• Includes 3/8-24 diameter pushrod for immediate installation
• Black e-coat finish provides superior corrosion resistance
• Universal mount flange fits 3.22" to 3.40" spacing (compatible with most domestic cars and trucks from mid-1960s to present)
• Dual-sided fluid outlet ports for flexible plumbing configurations
• 1.10" stroke length with 2:1 volume ratio between primary and secondary chambers
• Weighs only 3 lbs—75% lighter than traditional cast iron OE master cylinders
• Precision-machined from high-pressure die castings for consistent quality

This compact tandem master cylinder is designed specifically for manual brake conversions and upgrades. The lightweight construction reduces unsprung weight while maintaining the durability needed for demanding applications. Compatible with Wilwood combination proportioning valve kits (PN 260-14248 for left-hand outlets or 260-15667 for right-hand outlets) for complete brake system integration.