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• Wilwood IMCA-Approved GM Metric Cast Iron D-154 Caliper
• Meets all IMCA brake rules for Modifieds, Stock Cars, Hobby Stocks, Northern & Southern Sport Mods
• New casting purpose-built for racing (not a remanufactured part)
• 2.50" stainless steel piston
• 1.04" disc width
• Equipped with high-temp square section seals for ultimate pedal feel and resistance to excessive piston knock-back
• Dual symmetrical bleeders eliminate the need for carrying multiple spares as calipers may be right or left handed
• Bare Finish

• Specifically designed to work in conjunction with Wilwood Aluminum Tandem Master Cylinders (P/N’s 260-8555, 260-8556, 260-9439, 260-12900 or 260-13375), in manual or boosted system applications.
• Stainless steel fluid tubes are precision bent with preinstalled stainless tube nuts for a simple bolt-on installation between the Combination Proportioning Valve and the Wilwood Tandem Master Cylinder.
• Stainless steel button head fasteners thread into the black e-coated L/H bracket for a simple installation and years of durable, rust-free performance.
• This complete Mounting Bracket Kit includes all the mounting hardware, plus a Combination Proportioning Valve, 260-11179.
• Material: Aluminum / Steel
• Finish: Clear Anodize / Black E-coat

• Red anodized, billet aluminum
• Retains minimum brake line pressure
• Helps eliminate excessive pedal travel
• 10 psi valve is for use with drum brake systems
• Compensates for return spring tension
• Maintains wheel cylinder sealing in the drums

• For extreme high heat & pressure of pro motorsports
• Tested to 626°F
• Wet boiling point 417°F
• Resists aeration & compression
• Maintains firm pedal feel & quick response
• 16.9 fluid ozs