Pioneer Cables FRA-112HD Automatic Transmission Flexplate

Automatic Transmission Flexplate for GM V8 Applications

Pioneer Cables FRA-112HD is an automatic transmission flexplate built to restore OEM-level performance in a range of classic GM applications. It uses original dimensions, high-grade steel, automated welding, and factory-style balancing for consistent starter engagement and drivetrain reliability.

• Automatic transmission flexplate for GM rear-wheel-drive applications
• 12.875 in. outside diameter with 153 teeth
• 1.073 in. center diameter
• 12-to-14 pitch flywheel pattern
• High-grade steel construction with automated welding
• Precision balanced to factory specifications
• Heavy-duty version for select applications

Detailed Product Overview

This Pioneer Cables flexplate is engineered for vehicles that require a 153-tooth, 12.875-inch automatic transmission flexplate with a 12-to-14 pitch flywheel pattern. The FRA-112HD is a direct replacement style part for many Chevrolet, Buick, Oldsmobile, and Pontiac models, including applications such as Camaro, Monte Carlo, Regal, and Firebird. It is built to match original dimensions and balance requirements so the starter ring gear and torque converter interface operate as intended.

This part cross-references Pioneer Automotive Industries FRA112HD for the same application.

What This Flexplate Helps Address

• Cracked or fatigued flexplate material from age and repeated load cycles
• Starter engagement issues caused by worn or damaged ring gear teeth
• Vibration from an out-of-balance flexplate
• Noise at crankshaft-to-converter connection points
• Replacement needs on THM350 and THM400-equipped GM vehicles where listed

Installation Notes and Fitment Tips

Verify tooth count, outside diameter, and converter pattern before installation. Fits 1982-1985 Buick Regal, N/A; 1981-1985 Chevrolet Camaro, N/A; 1981-1985 Chevrolet Monte Carlo, N/A; 1982-1985 Pontiac Firebird, N/A; and many additional 1967-1985 Buick, Chevrolet, Oldsmobile, and Pontiac applications listed in the fitment data. Some listings note THM350, THM400, lock-up converter, Canada-built, or California-emissions-specific requirements, so match the vehicle notes carefully before ordering. Use the correct torque specifications and inspect the starter and converter surfaces during replacement.

Quality Assurance

Pioneer Cables builds this flexplate from high-grade steel and uses automated welding for strength and consistency, then balances it to factory specs for dependable operation in the intended applications.