Pioneer Cables FRA-155 Automatic Transmission Flexplate

Automatic Transmission Flexplate for OE-Style Replacement

The Pioneer Cables FRA-155 automatic transmission flexplate is built as a direct replacement for restoring factory-style driveline performance. It is made from high-grade steel, welded with an automated process for consistent strength, and precision balanced to factory specifications.

With 135 teeth, an 11.313-inch outside diameter, and a 9.5 mm mounting hole diameter, this flexplate is designed for applications that require a 12-to-14 pitch flywheel pattern. It is a practical choice for Pontiac Sunbird, Pontiac Grand Am, Pontiac LeMans, Buick Skyhawk, and Oldsmobile Firenza applications that call for this configuration.

Key Features

• Part number FRA-155
• 135-tooth ring gear for starter engagement
• 11.313-inch outside diameter
• 9.5 mm mounting hole diameter
• Built from high-grade steel
• Automated welding for consistent construction
• Precision balanced to factory specs
• Compatible with 12-to-14 pitch flywheel applications

Detailed Description

Pioneer Cables FRA-155 is an automatic transmission flexplate engineered to match original dimensions and restore OE-level operation. The 135-tooth design and balanced steel construction support reliable starter engagement and smooth rotational performance in the drivetrain. This flexplate is a fitment-based replacement for 1982-1994 Pontiac and GM compact car applications, including Fits 1986-1994 Pontiac Sunbird, N/A; Fits 1987-1989 Pontiac Grand Am, N/A; and Fits 1982-1988 Buick Skyhawk, N/A. It also cross-references AMS Automotive 4380 for the same application.

Common Problems This Part Can Help Address

• Cracked or warped flexplate surfaces
• Starter engagement issues caused by worn ring gear teeth
• Vibration from an out-of-balance flexplate
• Noise from damaged or fatigued flexplate material
• Drivetrain concerns related to incorrect replacement dimensions

Installation Notes and Tips

Verify tooth count, outside diameter, mounting hole diameter, and pitch flywheel requirements before installation. Confirm vehicle-specific fitment for your Pontiac Sunbird, Pontiac Grand Am, Pontiac LeMans, Buick Skyhawk, Oldsmobile Firenza, Pontiac J2000 Sunbird, or Pontiac J2000 application. Inspect the starter, torque converter interface, and surrounding drivetrain components during replacement to help ensure proper engagement and alignment.

Quality Assurance

Pioneer Cables builds this flexplate to original dimensions using automated welding and factory balancing methods to support consistent fit and operation. The FRA-155 is a replacement-grade transmission flexplate intended to meet the dimensional and performance needs of the listed applications.