{"product_id":"a-b1555721-ai-fits-case-gear-reduction","title":"A-B1555721-AI Fits Case-GEAR REDUCTION","description":"\u003ch3\u003eOne New Aftermarket Replacement Gear Reduction Fits Case Fits Briggs \u0026amp; Fits Stratton Animal, World Formula, and Mod WF Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement gear reduction Fits Case Fits Briggs \u0026amp; Fits Stratton (B\u0026amp;S) racing engines used in karting and quarter midget applications. The gear reduction Fits Case houses the 6-to-1 gear reduction assembly, reducing engine output speed while increasing torque to the drivetrain. It is designed for use with the spline crankshaft configuration required on quarter midget engines -- note that Lo206, Kart Animal, and World Formula engines require a crankshaft change to use this gearbox (spline crank required).\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Briggs \u0026amp; Fits Stratton Racing Engines:\u003c\/strong\u003e Animal (quarter midget), World Formula (WF), Modified World Formula (Mod WF)\u003c\/p\u003e\u003cp\u003eNote: This gearbox bolts up and works with spline crank engines only. Verify crankshaft type before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e555721, B1555721, A-B1555721-AI\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40536488968275,"sku":"A-B1555721-AI","price":315.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_e1dd5372-c1ec-415e-a24c-c638b0f7c599.jpg?v=1757654662","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-b1555721-ai-fits-case-gear-reduction","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}