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Dayco PB81480SC Engine Harmonic Balancer
| Brand | Dayco PB81480SC |
|---|---|
| Bolt Hole Quantity | 9 |
| Counterweight Balance | Neutral, no counterweight |
| Crank Bore | 1.481 |
| Crank Bore | 37.60 |
| Crank Trigger/Exciter Plate | No |
| Hardware Included | No |
| Installation Instructions Included | Yes |
| Nose Outside Diameter | 2.128 |
| Nose Outside Diameter | 54.05 |
| Number of Integrated Pulleys | 2 |
| Outer Ring Material | Steel |
| Overall Outside Diameter | 191.00 |
| Overall Outside Diameter | 7.520 |
| Overall Width | 3.926 |
| Overall Width | 99.70 |
| Pulley 1 Number Of Grooves | 4 |
| Pulley 1 Outside Diameter | 179.900 |
| Pulley 1 Outside Diameter | 7.083 |
| Pulley 1 Type | Serpentine |
| Pulley 2 Number Of Grooves | 8 |
| Pulley 2 Outside Diameter | 187.000 |
| Pulley 2 Outside Diameter | 7.363 |
| Pulley 2 Type | Serpentine |
| Ring Width | 2.441 |
| Ring Width | 61.98 |
| Timing Marks | Yes |
| Woodruff Key Included | No |
| Product line | Supercharger Performance Balancer 8 Rib |
| Fits | Chevrolet and Pontiac · 13 vehicles |
Supercharger Performance Balancer. Built with an 8-rib design for demanding belt-drive setups.
Neutral balance. No counterweight for a cleaner rotating assembly.
Steel outer ring. Adds strength and durability to the harmonic balancer.
Supercharger Performance Balancer for GM V8 Applications
The Dayco PB81480SC is a supercharger performance harmonic balancer built for specific Pontiac and Chevrolet applications that use an 8-rib supercharger drive. It combines a neutral balance design with dual integrated serpentine pulleys to support accurate accessory drive alignment and timing mark visibility.
Use this Dayco harmonic balancer when you need a direct-fit engine balancer for 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, and 2004-2006 Pontiac GTO applications listed below. The PB81480SC is part of Dayco’s Supercharger Performance Balancer 8 Rib line, which focuses on supercharged engine setups that require the correct pulley configuration and crank interface dimensions.
- Brand: Dayco
- Part number: PB81480SC
- Engine harmonic balancer for supercharger performance applications
- Neutral balance with no counterweight
- Outer ring material: steel
- Two integrated serpentine pulleys
- Pulley 1: 4-groove, 7.083 in. outside diameter
- Pulley 2: 8-groove, 7.363 in. outside diameter
- Timing marks included
- Crank bore: 1.481 in. (37.60 mm)
- Nose outside diameter: 2.128 in. (54.05 mm)
- Overall outside diameter: 7.520 in. (191.00 mm)
- Overall width: 3.926 in. (99.70 mm)
- Ring width: 2.441 in. (61.98 mm)
- Bolt hole quantity: 9
Detailed Product Overview
The PB81480SC is engineered as an engine harmonic balancer with a steel outer ring, dual serpentine pulley arrangement, and timing marks for service and setup. Its 9-bolt-hole design, neutral balance configuration, and specified crank bore dimensions make it a fitment-specific component for supercharged GM performance platforms. This part number, PB81480SC, is listed for 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, and 2004-2006 Pontiac GTO applications.
What This Balancer Helps Address
- Worn or damaged harmonic balancer assembly
- Incorrect pulley alignment on supercharger drive systems
- Timing mark visibility issues during engine service
- Crankshaft vibration control concerns related to balancer wear
- Fitment problems when replacing a supercharger-specific balancer
Installation Notes and Tips
Verify crank bore, nose diameter, bolt-hole count, and pulley configuration before installation. Confirm that the vehicle uses the listed supercharger performance balancer setup and compare the existing balancer to the PB81480SC dimensions. Installation instructions are included, and the part does not include hardware or a woodruff key.
- Fits 1998-2002 Chevrolet Camaro, N/A, Supercharger Performance Balancer 8 Rib
- Fits 1998-2002 Pontiac Firebird, N/A, Supercharger Performance Balancer 8 Rib
- Fits 2004-2006 Pontiac GTO, N/A, Supercharger Performance Balancer 8 Rib
Quality Assurance
Dayco manufactures this Supercharger Performance Balancer 8 Rib component to match the listed application dimensions and pulley layout. The PB81480SC is built with a steel outer ring and includes timing marks for accurate service reference.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | Pontiac | GTO | — | — | Supercharger Performance Balancer 8 Rib |
| 2005 | Pontiac | GTO | — | — | Supercharger Performance Balancer 8 Rib |
| 2004 | Pontiac | GTO | — | — | Supercharger Performance Balancer 8 Rib |
| 2002 | Chevrolet | Camaro | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 2002 | Pontiac | Firebird | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 2001 | Chevrolet | Camaro | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 2001 | Pontiac | Firebird | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 2000 | Chevrolet | Camaro | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 2000 | Pontiac | Firebird | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 1999 | Chevrolet | Camaro | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 1999 | Pontiac | Firebird | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 1998 | Chevrolet | Camaro | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
| 1998 | Pontiac | Firebird | 5.7L | V8 | Supercharger Performance Balancer 8 Rib |
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