{"product_id":"empi-adjustable-irs-spring-plates-4-1-4-collar-1973-74-thing-17-2673-0","title":"EMPI Adjustable IRS Spring Plates — 4-1\/4\" Collar, Pair | VW Thing Type 181 1973–1974 (17-2673-0)","description":"\u003ch2\u003e\u003cb\u003eEMPI Adjustable IRS Spring Plates — 4-1\/4\" Collar (Pair)\u003c\/b\u003e\u003c\/h2\u003e\u003cp\u003eThe \u003cb\u003eEMPI Adjustable IRS Spring Plates\u003c\/b\u003e are a high-performance suspension upgrade specifically designed for the \u003cb\u003e1973-1974 VW Thing (Type 181)\u003c\/b\u003e and custom off-road applications. Featuring a \u003cb\u003e4 1\/4\" collar\u003c\/b\u003e matched for \u003cb\u003e24 11\/16\" torsion bars\u003c\/b\u003e, these plates let you fine-tune rear ride height by approximately \u003cb\u003e2\" to 3\"\u003c\/b\u003e without the tedious process of re-indexing the torsion bar splines.\u003c\/p\u003e\u003cp\u003eBuilt from heavy-duty steel with a durable painted finish, these plates solve the common issue of \"driver's side sag\" by allowing independent side-to-side leveling. They are also a staple for \u003cb\u003eBaja Bug\u003c\/b\u003e and \u003cb\u003eSand Rail\u003c\/b\u003e builders who have swapped to the 24 11\/16\" medium-length bars for improved suspension travel.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Thing (Type 181):\u003c\/b\u003e 1973–1974\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCustom IRS builds:\u003c\/b\u003e Baja Bug \/ Sand Rail using 24 11\/16\" bars\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eWhy Choose EMPI?\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eEMPI builds these plates from heavy-duty steel with a durable painted finish and single-bolt external adjustment, letting Thing and off-road owners level side-to-side sag without re-indexing splines.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIndependent leveling:\u003c\/b\u003e Corrects driver's-side sag with side-to-side adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy adjustment:\u003c\/b\u003e Single-bolt external adjustment, roughly 2\"–3\" of height\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable finish:\u003c\/b\u003e Gloss black paint for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatched pair:\u003c\/b\u003e Left and right supplied together\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCollar size:\u003c\/b\u003e 4 1\/4\" extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTorsion bar:\u003c\/b\u003e 24 11\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustment:\u003c\/b\u003e Single-bolt external adjustment for height leveling\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Durable gloss black paint\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold as:\u003c\/b\u003e Matched pair (left and right)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e 17-2673-0\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHow much can I adjust ride height?\u003c\/b\u003e Approximately 2\" to 3\" without re-indexing the torsion bar splines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat collar and torsion bar size do these use?\u003c\/b\u003e A 4 1\/4\" collar, matched for 24 11\/16\" torsion bars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAre these sold individually or as a pair?\u003c\/b\u003e Sold as a matched pair (left and right).\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eShop more parts for your build: \u003ca href=\"\/collections\/vw-thing\"\u003eVW Thing\u003c\/a\u003e \u003ca href=\"\/collections\/dune-buggy\"\u003eDune Buggy\u003c\/a\u003e \u003ca href=\"\/collections\/suspension\"\u003eSuspension\u003c\/a\u003e\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":44899665543283,"sku":"17-2673-0","price":142.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/17-2673-0-500x333.jpg?v=1777273085","url":"https:\/\/www.washburnsmetal.com\/products\/empi-adjustable-irs-spring-plates-4-1-4-collar-1973-74-thing-17-2673-0","provider":"Washburn's Metal","version":"1.0","type":"link"}