{"product_id":"1-69-inch-extreme-duty-inch-planetary-shorty","title":"1.69 \"Extreme Duty\" Planetary, Shorty","description":"\n\u003cp class=\"page-title\"\u003e\u003cstrong\u003e\u003cspan class=\"base\" data-ui-id=\"page-title-wrapper\"\u003e\"EXTREME DUTY\" PLANETARY, SHORTY, STEEL CARRIER, BILLET BOLT-ON OUTPUT SHAFT, STRAIGHT CUT GEARS, 1.69 RATIO\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Coan Racing COA‑12758C “Extreme Duty” Planetary Assembly (Shorty, 1.69 Ratio) is a top-tier internals package designed specifically for GM Powerglide transmissions built with shorty cases. Precision-engineered with a rugged steel carrier and straight-cut gears, this assembly delivers consistent gear meshing and superior strength under high-torque conditions, ideal for competitive drag racing or high-horsepower street applications.\u003c\/p\u003e\n\n\u003cp\u003eIntegrated with a billet bolt-on output shaft, it allows for easy servicing and adds robustness to the output connection without requiring case modifications. Engineered to the 1.69 low-gear ratio, this planetary set offers enhanced torque multiplication compared to standard ratios and installs as a drop-in unit for a clean, no-hassle upgrade. Whether refreshing a short Powerglide for serious performance or building a dedicated strip unit, the COA‑12758C provides unmatched durability, precision alignment, and race-winning capability in a compact package.\u003c\/p\u003e","brand":"Coan","offers":[{"title":"Default Title","offer_id":49129586327771,"sku":"COA-12758C","price":1714.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/4173\/0267\/files\/F198657694.jpg?v=1786547704","url":"https:\/\/suncoastperformance.com\/products\/1-69-inch-extreme-duty-inch-planetary-shorty","provider":"SunCoast Diesel","version":"1.0","type":"link"}