{"product_id":"9-inch-posi-differential-3rd-member-31-spline-4-11-gear-ratio-size-411","title":"9 Inch Posi Differential 3rd Member, 31 Spline, 4.11 Gear Ratio - size: 411","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision Assembly: Hand-assembled by trained technicians with exact backlash, preload, and pinion shim setup to ensure proper ring gear tooth contact and long-term reliability\u003c\/li\u003e\n\u003cli\u003eClutch-Style Posi Design: Limited slip differential delivers strong traction without noise, using heat-treated spider gears and increased clutch pressure for confident street performance\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Center Section: Nodular iron housing adds over 4 lbs of reinforcement versus OEM castings, improving strength and resistance to deflection under load\u003c\/li\u003e\n\u003cli\u003ePremium Internal Components: Features 8620 cold-rolled steel ring and pinion, Grade 9 ring gear bolts, Grade 8 carrier cap hardware, and Daytona-style pinion support\u003c\/li\u003e\n\u003cli\u003eReady-to-Install Build: Includes 1310-series yoke, Viton high-temp pinion seal, and arrives pre-set for quick installation in Compatible with Ford 9 inch rearends for medium horsepower applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speedway Motors","offers":[{"title":"Default Title","offer_id":50326840312048,"sku":"B07N7QZR6T-size-411","price":1757.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/419U21FLlrL_f2fd640b-4ab1-4db3-b390-7421b5b82890.jpg?v=1787943265","url":"https:\/\/wrenchvanta.com\/products\/9-inch-posi-differential-3rd-member-31-spline-4-11-gear-ratio-size-411","provider":"WrenchVanta","version":"1.0","type":"link"}