{"product_id":"ford-9-40-spline-spool-steel-copy","title":"Ford 9\" 40 spline lightweight steel spool (3.250\" Bearing)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eMark Williams 40 spline lightweight steel spool for use with 9\" Ford Rear End. Requires 3.250\" bore case including the \u003ca href=\"https:\/\/mwdriveline.myshopify.com\/products\/9-5-ford-aluminum-thru-bolt-case-3-812-bearing-w-steel-caps\"\u003e57440\u003c\/a\u003e\u003ca href=\"https:\/\/www.markwilliams.com\/57440.html\"\u003e\u003c\/a\u003e Mark Williams aluminum and \u003ca href=\"https:\/\/mwdriveline.myshopify.com\/products\/9-ford-aluminum-thru-bolt-case-3-250-bearing-w-aluminum-caps\" title='Nodular Steel Third Member 3.250\"'\u003e57470\u003c\/a\u003e\u003ca href=\"https:\/\/www.markwilliams.com\/57470.html\"\u003e\u003c\/a\u003e Mark Williams nodular cases, \u003cmeta charset=\"utf-8\"\u003eand also requires \u003cspan\u003e45mm wheel bearing (p\/n \u003c\/span\u003e\u003ca href=\"https:\/\/mwdriveline.myshopify.com\/products\/large-big-ford-olds-axle-bearing-3-150-od\"\u003e58505\u003c\/a\u003e\u003ca href=\"https:\/\/www.markwilliams.com\/58505.html\"\u003e\u003c\/a\u003e\u003cspan\u003e)\u003c\/span\u003e. Profile milling and cross-hole drilling saves 2-1\/2 pounds over standard unit. Manufactured from through hardened 4140 high strength steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions: \u003ca rel=\"noopener\" title=\"Spool Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0046.pdf?v=1756843707\" target=\"_blank\"\u003eSB0046\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCut for 40 spline axles \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4140 Through hardened steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUses 7\/16 bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeighs 8.5 pounds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: We recommend replacing ring gear bolts every time a new gear is setup.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53137_51450151-f0ec-4835-8957-96afcfc3c713.jpg?v=1761772054\"\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"No","offer_id":43658120822862,"sku":"53137","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Yes Add 57900 (+49.99)","offer_id":43658120855630,"sku":"53137-1","price":448.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/7593\/4798\/files\/MRW_3479.jpg?v=1776832886","url":"https:\/\/killintimeracing.net\/products\/ford-9-40-spline-spool-steel-copy","provider":"Killin Time Racing","version":"1.0","type":"link"}