{"product_id":"sway-a-way-vw-irs-axle-set-33-tooth-spline-15-5-8","title":"Sway-A-Way VW IRS Axle Set | 33-Tooth Spline | 15 5\/8\" (2015)","description":"\u003ch2\u003e\u003cb\u003eSway-A-Way VW IRS Axle Set | 33-Tooth Spline | 15 5\/8\" (2015)\u003c\/b\u003e\u003c\/h2\u003e\u003cp\u003e\u003cb\u003eSway-A-Way specialized IRS axle set\u003c\/b\u003e for high-performance Volkswagen Independent Rear Suspension setups. An extended spline design removes the inboard shoulder, allowing the CV joint to float along the shaft.\u003c\/p\u003e\u003cp\u003eThat float is critical for long-travel off-road buggies or lowered street cars, preventing the CV cage from bottoming out and shattering during extreme suspension articulation.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Beetle (IRS):\u003c\/b\u003e 1968–1979\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Super Beetle:\u003c\/b\u003e 1971–1979\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuggy IRS Builds:\u003c\/b\u003e All Years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eWhy Choose Sway-A-Way?\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eSway-A-Way manufactures these axles from solid high-strength alloy steel, through-hardens them for the right balance of surface hardness and core flexibility, and centerless grinds them for a consistent diameter that resists stress risers.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExtended floating spline:\u003c\/b\u003e the 2 3\/8\" spline without a shoulder lets the CV slide freely, accommodating track-width changes and eliminating cage breakage caused by axle bind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-strength alloy steel:\u003c\/b\u003e built to handle the torque loads of high-horsepower air-cooled engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThrough-hardened:\u003c\/b\u003e balance of surface hardness and core flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-coated:\u003c\/b\u003e industrial-grade finish for long-term corrosion resistance.\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\u003eApplication:\u003c\/b\u003e high-performance IRS rear axle set\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 15 5\/8\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpline:\u003c\/b\u003e 33-tooth (1.062\" OD, 2 3\/8\" spline length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFitment:\u003c\/b\u003e VW Type 1 (Beetle\/Bug), Type 2 (Bus\/Transporter), and Type 3 (Notchback, Squareback, Fastback) IRS models\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCV Compatibility:\u003c\/b\u003e standard 33-spline CV joints (typically Type 1 or Type 2 \/ 002 styles depending on hub setup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e solid high-strength alloy steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e industrial-grade powder coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold As:\u003c\/b\u003e one pair, with Spirol Lock circlips to secure the CV joints\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer Part Number:\u003c\/b\u003e 2015 (SKU SAW-2015)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 1-year warranty\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\u003eWhat is the axle length and spline count?\u003c\/b\u003e Each axle is 15 5\/8\" with a 33-tooth spline (1.062\" OD, 2 3\/8\" spline length).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhy does the CV joint float on these axles?\u003c\/b\u003e The extended spline removes the inboard shoulder so the CV joint can slide freely, accommodating changes in track width as the suspension moves and eliminating cage breakage caused by axle bind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat is included?\u003c\/b\u003e The set includes a pair of VW IRS axles and Spirol Lock circlips to secure the CV joints.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCV Joint Float:\u003c\/strong\u003e Ensure your CV boots are high-quality and flexible (such as silicone or heavy-duty rubber). Because the CV joint floats on these axles, the boot must be able to stretch and compress more than a standard setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap Ring Usage:\u003c\/strong\u003e Use the correct snap rings to retain the CV joint on the shaft. Even though the joint floats, it must remain within the functional range of the splines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease:\u003c\/strong\u003e Use high-moly CV grease. The extended movement of the joint on the spline requires consistent lubrication to prevent wear on the axle's splines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/collections\/axles\"\u003eAxles\u003c\/a\u003e \u003ca href=\"\/collections\/vw-beetle\"\u003eVW Beetle\u003c\/a\u003e \u003ca href=\"\/collections\/vw-super-beetle\"\u003eVW Super Beetle\u003c\/a\u003e\u003c\/p\u003e","brand":"Sway-A-Way","offers":[{"title":"Default Title","offer_id":45023763366003,"sku":"SAW-2015","price":399.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/image_1920_03893f5a-e073-44b7-b4d7-f63ce01bd344.webp?v=1779331843","url":"https:\/\/www.washburnsmetal.com\/products\/sway-a-way-vw-irs-axle-set-33-tooth-spline-15-5-8","provider":"Washburn's Metal","version":"1.0","type":"link"}