Pioneer Cables PB-650 Clutch Pilot Bushing

Clutch Pilot Bushing for GM Applications

Pioneer Cables PB-650 is a steel clutch pilot bushing built for manual transmission service where precise crankshaft support matters. With a 0.78 in inside diameter, 1.5 in outside diameter, and 1.065 in width, it is sized for a range of Chevrolet, Pontiac, Buick, Oldsmobile, and related GM vehicles from 1980 through 1991.

Fits 1982-1986 Chevrolet Camaro, N/A and other listed GM applications including Chevrolet S10, Pontiac Firebird, and Buick Century. The PB-650 part number is a direct reference for shoppers searching for a clutch pilot bushing for older GM manual transmission setups.

Key Features

• Steel construction for durable pilot support
• Inside diameter: 0.78 in / 19.8 mm
• Outside diameter: 1.5 in / 38.0 mm
• Width: 1.065 in / 27.0 mm
• Bushing-type bearing design
• Fits a broad range of 1980-1991 GM cars and trucks
• Part number PB-650 for catalog lookup and ordering

Detailed Description

The Pioneer Cables PB-650 clutch pilot bushing is a steel bushing designed to support the transmission input shaft in the crankshaft during clutch operation. Accurate dimensions are important for proper alignment, and this unit is specified with a 0.78 in inner diameter, 1.5 in outer diameter, and 1.065 in width. It is listed for applications such as Chevrolet Camaro, Chevrolet S10, Pontiac Firebird, Buick Century, Oldsmobile Omega, and other GM models across the 1980-1991 range. If you are searching for PB-650 or a clutch pilot bushing for a Chevrolet Camaro or Pontiac Firebird manual transmission repair, this part matches the published fitment data.

This part cross-references no listed interchange numbers in the provided data.

What It Helps Fix

• Input shaft wobble at the crankshaft support point
• Clutch engagement noise caused by worn pilot support
• Shifting issues related to misalignment in the drivetrain
• Premature wear on the transmission input shaft tip
• Clutch chatter associated with a deteriorated pilot bushing

Installation Notes and Tips

Verify the crankshaft bore and transmission input shaft dimensions before installation. Clean the bore thoroughly, inspect for scoring or wear, and confirm the bushing seats fully and squarely. Because this is a precision-fit clutch pilot bushing, correct alignment during installation is important for smooth manual transmission operation. Match the PB-650 dimensions to the vehicle application listed in the fitment data before assembly.

Quality Assurance

Pioneer Cables identifies this component as a steel bushing with published dimensional specifications for fitment verification. Use the listed measurements and vehicle coverage to confirm application before installation.

• Fits 1991 Chevrolet Lumina, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1985-1991 Chevrolet S10, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980-1989 Buick Skylark, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1985-1989 Chevrolet Astro, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984-1989 Chevrolet Celebrity, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984-1988 Buick Century, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1985-1988 Chevrolet S10 Blazer, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1988 Oldsmobile Cutlass Calais, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1985-1987 Oldsmobile Calais, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1982-1986 Chevrolet Camaro, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984-1985 Chevrolet Citation II, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984-1985 Pontiac Fiero, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1982-1985 Pontiac Firebird, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1985 Pontiac Grand Am, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984 Oldsmobile Cutlass Ciera, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980-1984 Oldsmobile Omega, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1984 Pontiac 6000, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980-1984 Pontiac Phoenix, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980-1983 Chevrolet Citation, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980 Chevrolet Monza, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980 Oldsmobile Starfire, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in
• Fits 1980 Pontiac Sunbird, N/A; 0.828 Depth; Material: Steel; Width: 1.065 in; Outer Diameter: 1.5 in; Inner Diameter: 0.78 in