Pioneer Cables FRA-157 Automatic Transmission Flexplate

Pioneer FRA-157 Flexplate for GM Trucks

Pioneer Cables FRA-157 is an automatic transmission flexplate built for Chevrolet and GMC truck applications from 1979-1989. It is made to original dimensions from high-grade steel, then precision balanced to factory specifications for consistent drivetrain operation.

• Automatic transmission flexplate for GM truck applications
• Outside diameter: 14.125 in.
• 168 teeth for starter engagement
• 1.177 in. center diameter
• 12-14 pitch flywheel specification
• Built from high-grade steel with automated welding for strength and consistency
• Precision balanced to factory specs
• Part number: FRA-157

Fitment Overview

Compatible with a wide range of Chevrolet and GMC full-size truck and Suburban applications, including Chevrolet C10, C20, C30, K20, K30, P10, P20, P30, R20, R30, V20, and V30, plus GMC C1500, C2500, C3500, K1500, K2500, K3500, P1500, P2500, P3500, R2500, R3500, V2500, and V3500 models. This FRA-157 flexplate is listed for 1979-1989 Chevrolet and GMC vehicles with the noted w/o Weight or Forward Control applications where specified.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Flexplate Helps Address

• Cracked or warped flexplate surfaces
• Starter ring gear engagement issues
• Vibration caused by imbalance in the rotating assembly
• Noise from a damaged or worn transmission flexplate
• Restoration work on Chevrolet and GMC automatic transmission drivetrains

Installation Notes

Verify tooth count, outside diameter, center diameter, and pitch before installation. Confirm the vehicle is listed with the correct notes, including w/o Weight or Forward Control where shown. Inspect the starter, torque converter, and mounting surfaces during service to help ensure proper engagement and alignment. Use the vehicle-specific service procedure for final torque and setup.

Quality Assurance

Pioneer Cables builds this flexplate from high-grade steel, uses automated welding for consistent construction, and balances each unit to factory specifications to help restore OEM-level operation. Part number FRA-157 is manufactured as a direct replacement-style component for the listed Chevrolet and GMC applications.