Dayco PB1111ST Engine Harmonic Balancer

Dayco PB1111ST Street Performance Balancer

The Dayco PB1111ST Street Performance Balancer is a neutral-balance engine harmonic balancer for select 1973-1976 Ford trucks. It features a cast iron outer ring, timing marks, and a 3-bolt hole pattern for applications that require this specific street performance configuration.

Key Features

• Part number PB1111ST from Dayco Street Performance Balancer
• Neutral balance design with no counterweight
• Cast iron outer ring material
• 3 bolt holes
• Timing marks included
• Crank bore: 1.374 in. (34.89 mm)
• Overall outside diameter: 6.977 in. (177.20 mm)
• Overall width: 1.780 in. (45.20 mm)
• Ring width: 1.578 in. (40.08 mm)
• No crank trigger/exciter plate, no hardware, and no woodruff key included

Product Details

Built for engine applications that use a neutral harmonic balancer, the Dayco PB1111ST is sized with a 1.374-inch crank bore and a 6.977-inch overall outside diameter. The cast iron outer ring and integrated timing marks support accurate engine setup on compatible Ford V8 truck applications. This part cross-references Pioneer 872056 for the same application. The PB1111ST is a direct-fit style option for 1973-1976 Ford F-100, 1975-1976 Ford F-150, 1973-1976 Ford F-250, and 1973-1976 Ford F-350 street performance balancer applications.

What It Helps Address

• Crankshaft vibration control in neutral-balance engine setups
• Replacement for a worn, cracked, or out-of-spec harmonic balancer
• Timing mark visibility during ignition setup
• Fitment issues on select Ford truck engine applications requiring a 3-bolt balancer
• Restoration or service work on 1973-1976 Ford F-100, F-150, F-250, and F-350 models

Installation Notes and Tips

Verify crank bore, bolt pattern, and overall diameter before installation. Because hardware is not included, reuse or source the correct fasteners for the engine application. Confirm timing mark orientation and crankshaft keyway alignment during assembly. Fits 1973-1976 Ford F-100, N/A; Fits 1975-1976 Ford F-150, N/A; Fits 1973-1976 Ford F-250, N/A; Fits 1973-1976 Ford F-350, N/A.

Quality Assurance

Dayco Street Performance Balancer components are built for engine service applications that require accurate dimensions and consistent balance characteristics. The PB1111ST is specified with neutral balance, cast iron outer ring construction, and timing marks for dependable installation on the listed Ford truck applications.