{"product_id":"suncoast-28712-12-high-clutch-drum-flange-12t-1-80-1-65-ratio","title":"Suncoast High Clutch Drum Flange - 12T, 1.80 \u0026 1.65 Ratio","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eThe Sonnax 28712-12 high clutch drum flange is a precision-engineered component designed specifically for Powerglide transmissions utilizing 1.80 or 1.65 ratio planetary gear sets. Featuring a 12-tooth spline, this flange plays a critical role in maintaining proper alignment and engagement of the high clutch assembly, helping to ensure smooth and consistent transmission operation. Manufactured from high-strength material, it offers exceptional durability and resistance to wear, making it a reliable choice for both high-performance builds and professional transmission rebuilds. Whether you’re upgrading or replacing an existing flange, the Sonnax 28712-12 provides a direct-fit solution that meets or exceeds OEM specifications, supporting long-term reliability and improved drivetrain performance.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003clabel for=\"specs-panel\"\u003eSpecs:\u003c\/label\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"accordion-content\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eTooth Count: 12\u003c\/li\u003e\n\n\u003cli\u003eRatio: 1.80\u003c\/li\u003e\n\n\u003cli\u003eRatio: 1.65\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Suncoast Performance","offers":[{"title":"Default Title","offer_id":48219393786097,"sku":"28712-12","price":61.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1344\/3057\/files\/High-Clutch-Drum-Flange-12T_-1.80-_-1.65-Ratio-Suncoast-Performance-151088042.jpg?v=1779829204","url":"https:\/\/tamelessperformance.com\/products\/suncoast-28712-12-high-clutch-drum-flange-12t-1-80-1-65-ratio","provider":"TAMELESS PERFORMANCE","version":"1.0","type":"link"}