Wilwood 260-15540-BK Compact Tandem Master Cylinder Bore with Pushrod - 1.00

The Wilwood 260-15540-BK Compact Tandem Master Cylinder delivers reliable braking performance in a lightweight, space-saving design. Featuring a 1.00-inch bore diameter and durable black e-coat finish, this master cylinder is engineered specifically for manual brake applications and includes a 3/8-24 diameter pushrod for immediate installation.

Key Features:

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

This compact tandem master cylinder is part of Wilwood's complete brake system solutions. For a complete installation, consider pairing with Wilwood's combination proportioning valve retrofit kits: PN 260-14248 for left-hand outlets or PN 260-15667 for right-hand outlets, which include mounting brackets and stainless steel brake lines.