Pioneer Cables FRA-105 Automatic Transmission Flexplate

Pioneer Cables FRA-105 Flexplate Overview

The Pioneer Cables FRA-105 is an automatic transmission flexplate built to restore OEM-level performance in the drivetrain. It is made from high-grade steel, welded with an automated process for consistent strength, and precision balanced to factory specifications.

Compatible With 1975-1977 Buick Century, Regal, and Skylark applications with uneven firing engines, plus 1976-1977 Buick Century, LeSabre, Regal, Skyhawk, and Skylark models. It also covers 1977 Oldsmobile Cutlass, Cutlass Supreme, Delta 88, Omega, and 1975-1977 Starfire, along with 1977 Pontiac Catalina, Firebird, Grand LeMans, LeMans, Phoenix, and 1976-1977 Sunbird applications.

• Automatic transmission flexplate for OE-style replacement service
• Built from high-grade steel for structural durability
• Automated welding process for consistent assembly quality
• Precision balanced to factory specifications
• 160-tooth design
• 13.438-inch outside diameter
• 11.75-inch mounting hole diameter
• 1.120-inch diameter specification
• 12-to-14 pitch flywheel application

Detailed Product Description

The FRA-105 flexplate is engineered for automatic transmission applications that require the correct tooth count, diameter, and mounting dimensions. With 160 teeth and a 13.438-inch outside diameter, it is built to match the listed Buick, Oldsmobile, and Pontiac applications while maintaining factory-style fit and balance. The part number FRA-105 is also referenced in interchange listings for related aftermarket applications, including AMS Automotive 4316 and Gates 33609.

This flexplate is a direct-fit style replacement for vehicles such as Buick Regal, Oldsmobile Cutlass, and Pontiac Firebird applications listed above, making it a practical choice when replacing a worn or damaged flexplate in compatible automatic transmission setups.

What This Flexplate Helps 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 service needs on listed Buick, Oldsmobile, and Pontiac vehicles

Installation Notes and Tips

Verify tooth count, outside diameter, mounting hole diameter, and pitch flywheel requirements before installation. Confirm engine and transmission application details against the vehicle’s original specifications, especially on 1975 Buick uneven-firing engine applications and 1977 Pontiac Phoenix uneven-firing engine applications. Inspect the starter, crankshaft flange, and related drivetrain components during replacement to ensure proper engagement and alignment.

Quality Assurance

Pioneer Cables builds this flexplate from high-grade steel, uses automated welding for consistent construction, and precision balances each unit to factory specs. The part is not SFI approved and does not include an SFI certification sticker.