Dayco PBO81480SC10 Engine Harmonic Balancer

Dayco SC Performance Harmonic Balancer

The Dayco SC Performance 8 Rib 10% Overdrive harmonic balancer is built for performance applications that need precise crankshaft damping and accessory drive control. This engine harmonic balancer is a direct fit for select Chevrolet Camaro, Pontiac Firebird, and Pontiac GTO applications, including 1998-2002 Camaro and Firebird models and 2004-2006 GTO models.

Part number PBO81480SC10 combines a neutral balance design with dual integrated serpentine pulleys, making it a focused choice for SC Performance 8 rib setups. The steel outer ring, timing marks, and 9-bolt hole pattern support accurate installation and reliable alignment in compatible V8 engine builds.

Key Features

• Brand: Dayco
• Brand line: SC Performance 8 Rib 10% Overdrive
• Part number: PBO81480SC10
• Neutral balance design with no counterweight
• Steel outer ring construction
• Two integrated serpentine pulleys
• Timing marks included for setup reference
• 9 bolt hole crankshaft mounting pattern
• Installation instructions included

Product Details

Dayco PBO81480SC10 is an engine harmonic balancer for performance-oriented accessory drive systems. The SC Performance 8 Rib 10% Overdrive design is intended for applications that use an 8-rib belt layout and require a faster accessory drive ratio. It features a 7.087-inch 4-groove serpentine pulley and an 8.087-inch 8-groove serpentine pulley, along with a 8.229-inch overall outside diameter and 3.926-inch overall width. The crank bore measures 1.481 inches, the nose outside diameter is 2.128 inches, and the ring width is 2.497 inches.

This part number PBO81480SC10 is listed for 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, and 2004-2006 Pontiac GTO applications. It is a practical choice when replacing a worn harmonic balancer in a compatible Camaro, Firebird, or GTO engine setup that uses the specified pulley and bolt pattern configuration.

What It Helps Address

• Crankshaft vibration control in performance engine builds
• Accessory belt alignment issues in 8-rib serpentine systems
• Worn or damaged harmonic balancer replacement needs
• Timing reference visibility during engine setup
• Drive ratio changes for SC Performance accessory systems

Installation Notes

Verify crank bore, nose diameter, bolt hole count, and pulley configuration before installation. Use the included installation instructions and confirm timing mark orientation during assembly. Hardware is not included, so reuse or source the required fasteners separately as needed for the application.

Compatible With 1998-2002 Chevrolet Camaro, 2004-2006 Pontiac GTO, and 1998-2002 Pontiac Firebird. For fitment verification, match the engine’s balance type and pulley layout to the specifications listed for PBO81480SC10.

Quality Assurance

Dayco manufactures performance drivetrain components with application-specific dimensions and materials. PBO81480SC10 uses a steel outer ring and a neutral balance configuration to support consistent fitment in the listed vehicle applications.