Dayco PB1187SS Engine Harmonic Balancer

Overview of Dayco Race Performance Balancer PB1187SS

The Dayco Race Performance Balancer PB1187SS is engineered for precision and durability in select Ford, Lincoln, and Mercury vehicles. Designed to maintain engine harmonic stability, this balancer supports optimal engine performance in models like the Mustang, Crown Victoria, and Town Car.

• Compatible with Ford, Lincoln, and Mercury vehicles including Mustang, Crown Victoria, Grand Marquis, Mark VIII, and Town Car
• Neutral counterweight balance with no counterweight for precise harmonic control
• Steel outer ring construction for enhanced durability
• Single integrated serpentine pulley with 8 grooves and a 6.615-inch outside diameter
• Overall outside diameter of 6.772 inches and width of 1.812 inches
• Includes timing marks for accurate engine timing adjustments
• Three bolt hole configuration with a crank bore diameter of 1.249 inches (31.72 mm)

Detailed Product Description

The PB1187SS engine harmonic balancer from Dayco’s Race Performance Balancer line is designed to reduce torsional vibration in the crankshaft, helping to extend engine life and maintain smooth operation. Its neutral counterweight balance means it does not add additional weight, allowing for precise engine harmonics control. The balancer features a robust steel outer ring and a single integrated serpentine pulley with eight grooves, suitable for accessory belt drives. The pulley diameter measures 168 mm (6.615 inches), matching OEM specifications for compatible vehicles.

With an overall outside diameter of 172 mm (6.772 inches) and a width of 46 mm (1.812 inches), this balancer fits securely on engines requiring a 1.249-inch (31.72 mm) crank bore. The three bolt hole design ensures proper mounting alignment. Timing marks are included on the balancer to assist with accurate ignition timing during installation or maintenance.

Applications and Problem Solving

• Reduces crankshaft vibration to prevent premature engine wear
• Maintains proper accessory belt alignment with integrated serpentine pulley
• Supports accurate ignition timing with built-in timing marks
• Replaces worn or damaged harmonic balancers in Ford Mustang and Lincoln Town Car engines
• Helps restore engine smoothness and reduce noise in Mercury Grand Marquis and Mark VIII models

Installation Notes and Tips

This Dayco Race Performance Balancer PB1187SS requires precise installation to ensure optimal performance. Note that installation hardware and instructions are not included, so refer to vehicle-specific service manuals for torque specifications and installation procedures. Verify the crank bore diameter and bolt hole pattern before installation to ensure compatibility. Use proper tools to avoid damage to the balancer or crankshaft during mounting.

Quality Assurance

Dayco’s Race Performance Balancer line is manufactured to meet stringent quality standards for durability and performance. The PB1187SS undergoes rigorous testing to ensure it meets OEM specifications for fit and function. While no specific warranty information is provided, Dayco products are generally backed by manufacturer quality controls to support reliable engine operation in compatible Ford, Lincoln, and Mercury vehicles.