Dayco PB1210ST Engine Harmonic Balancer

Overview of Dayco Street Performance Balancer PB1210ST

The Dayco Street Performance Balancer PB1210ST is engineered for select Ford, Lincoln, and Mercury vehicles, providing reliable engine harmonic balancing. Designed with precision, this balancer supports smooth engine operation in models like the Ford F-250, Lincoln Continental, and Mercury Cougar.

• Compatible with Ford, Lincoln, and Mercury models including Colony Park, Continental, Cougar, E-250 Econoline, F-250, and more
• Neutral counterweight balance with no counterweight for balanced engine performance
• Cast iron outer ring for durability and wear resistance
• Overall outside diameter of 169.50 mm (6.674 inches) and width of 60.80 mm (2.394 inches)
• Includes timing marks for accurate engine timing adjustments
• Four bolt hole configuration for secure mounting
• Crank bore diameter of 34.89 mm (1.374 inches) to fit specified crankshafts

Dayco Street Performance Balancer Product Line

The Street Performance Balancer line by Dayco focuses on delivering reliable harmonic balancers designed for street-driven vehicles. This product line emphasizes durability and precise balance without added counterweights, making it suitable for maintaining engine smoothness in daily driving conditions. The PB1210ST model fits within this line, offering a cast iron outer ring and timing marks to support accurate engine timing and long-lasting performance.

Technical Details and Specifications

The PB1210ST harmonic balancer features a neutral counterweight balance, meaning it does not include additional counterweights, which helps maintain the original engine balance characteristics. The cast iron outer ring enhances durability and resistance to wear over time. With an overall outside diameter of 169.50 mm (6.674 inches) and a width of 60.80 mm (2.394 inches), this balancer is designed to fit crankshafts with a bore diameter of 34.89 mm (1.374 inches). The four bolt holes ensure secure attachment to the crankshaft, and the inclusion of timing marks assists in precise engine timing setup. This balancer does not include a crank trigger or exciter plate, integrated pulleys, or a Woodruff key.

Compatible Vehicles and Applications

• Ford F-250 and F-250 HD trucks
• Ford F-350 and E-350 Econoline vans and club wagons
• Lincoln Continental and Marquis models
• Mercury Cougar and Montego
• Ford E-250 Econoline and E-250 Econoline Club Wagon

Installation Notes and Tips

• Ensure crankshaft bore diameter matches 34.89 mm (1.374 inches) before installation
• Verify the four bolt hole pattern aligns with your engine’s crankshaft flange
• Use proper torque specifications when securing the balancer to avoid damage
• Timing marks on the balancer should be used to set accurate ignition timing
• Installation hardware and instructions are not included; refer to vehicle service manual

Quality Assurance and Warranty

Dayco manufactures the PB1210ST harmonic balancer to meet OEM standards for fit and function. The cast iron construction and precise machining ensure durability and consistent performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford, Lincoln, and Mercury vehicles.