Ford 352 - 428 FE V8 Engines Pioneer Replacement Flywheel Ring Gear # FRG-184T Flywheel Ring Gear, 184-Tooth, Replacement, Ford, Mercury, Each Flywheel Ring Gear Material: Steel Ring Gear Tooth Quantity: 184-tooth Quantity: Sold individually. Pioneer Ring Gears Pioneer offers flywheel and flexplate ring gears for a wide range of vehicle, engine, and transmission applications. These top-quality replacements are machined from steel to strict tolerances for accurate fit and performance. If your original ring gears are worn or missing teeth, replace them with an economical update from Pioneer!