Dayco PB1112ST Engine Harmonic Balancer

Overview of Dayco Street Performance Balancer PB1112ST

The Dayco Street Performance Balancer PB1112ST is engineered for Chrysler and Dodge vehicles, including models like the 300, Challenger, Charger, and Town & Country. This engine harmonic balancer is designed to provide reliable crankshaft vibration dampening without added counterweights, ensuring smooth engine operation.

• 6 bolt hole quantity for secure mounting
• Neutral counterweight balance with no counterweight
• Crank bore diameter of 1.530 inches (38.85 mm)
• Cast iron outer ring for durability
• Overall outside diameter of 7.264 inches (184.50 mm)
• Overall width of 1.812 inches (46.00 mm)
• Includes timing marks for precise engine timing
• No integrated pulleys or crank trigger/exciter plate

Details on the Street Performance Balancer Product Line

The Street Performance Balancer line by Dayco focuses on delivering harmonic balancers tailored for street-driven vehicles. This product line emphasizes balanced performance without additional counterweights, making it suitable for engines that require neutral balance characteristics. The PB1112ST model fits within this line by offering a cast iron outer ring and precise dimensions to match specific Chrysler and Dodge engine requirements.

Technical Description of the PB1112ST Harmonic Balancer

The PB1112ST harmonic balancer features a 6-bolt hole configuration and a crank bore size of 1.530 inches (38.85 mm), ensuring compatibility with select Chrysler and Dodge engines. Its cast iron outer ring provides strength and wear resistance, while the overall diameter of 7.264 inches (184.50 mm) and width of 1.812 inches (46.00 mm) meet OEM specifications. The balancer includes timing marks to assist with accurate ignition timing but does not include integrated pulleys or a crank trigger/exciter plate. Hardware and installation instructions are not included with this part.

Applications and Problem Solving

• Reduces crankshaft vibration in Chrysler 300 and Dodge Charger engines
• Maintains engine timing accuracy with integrated timing marks
• Prevents premature wear of engine components caused by harmonic imbalance
• Compatible with Dodge Challenger and Town & Country models requiring neutral balance harmonic balancers
• Supports engine longevity by dampening torsional vibrations

Installation Notes and Tips

• Ensure the crank bore diameter matches the engine specifications (1.530 inches)
• Use proper torque specifications for the 6 bolt holes during installation
• Verify timing marks alignment for accurate ignition timing
• Note that hardware and installation instructions are not included; refer to vehicle service manual
• Inspect the crankshaft and surrounding components for wear before installation

Quality Assurance and Warranty

Dayco manufactures the PB1112ST harmonic balancer to meet industry standards for durability and performance. The cast iron outer ring is designed for long service life under typical street driving conditions. While specific warranty details are not provided, Dayco products generally come with manufacturer-backed quality assurance to support reliable engine operation in compatible Chrysler and Dodge vehicles.