{"title":"Gen 1 Supercharger \u0026 Parts","description":"","products":[{"product_id":"kavs-motorsport-r53-mini-cooper-s-reduced-eaton-m45-supercharger-pulley-11-15-17","title":"KAVS Motorsport Reduced Supercharger Pulley  15% 17% 19%","description":"\u003cp\u003eFrom £124.80 KAVS Motorsport reduced diameter supercharger pulley is a proven and affordable method of producing reliable power gains on the R53 MINI Cooper S. Offered in a variety of reduced diameters compared to the BMW original (11%, 13.2%, 15%, 17% 19%) the smaller diameter pulley spins the supercharger up faster, enabling it to pump more air and produce more boost, which turn raises torque and power output.\u003c\/p\u003e\n\u003cp\u003eAt 6950 rpm (which is the stock Cooper S rpm Limit) a stock supercharger pulley 0% is turning 14749rpm, an 11% JCW pulley is turning 16656 rpm at 6950 engine rpm.\u003c\/p\u003e\n\u003cp\u003eSo taking the 11% pulley supercharger rpm of 16656rpm a 15% pulley is at 6650 engine rpm at that supercharger rpm point and a 17% is at 6531 engine rpm at that point and a 19% is at 6351 rpm at that point.\u003c\/p\u003e\n\u003cp\u003eThe KAVS pulleys are your first stop on the path to serious power from your R53 MINI Cooper S and they work particularly well in conjunction with an intercooler upgrade. \u003cbr\u003e\u003cbr\u003eFor sizing reference information, the 218 bhp R53 MINI Cooper S GP model ran an 11% reduced pulley compared with standard (in conjunction with a larger intercooler.)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #333333;\"\u003eProduced from superior quality material from competitor brands and features a central reel with a double edged design to reduce supercharger drive belt wear when compared to the OEM BMW item. Every KMT pulley is also subject to strict quality control tests which adhere to the high ISO 9001:2008 and ISO 14001:2004 standards.\u003cbr\u003e\u003cbr\u003eIf you would like the full kit of everything needed to bolt right onto your car, please click the 'Belt, and Spark Plug' tick boxes on the right of the screen and 1320 will send you the correct length belt matched for your pulley size, plus a set of colder running plugs to cope with the higher boost pressures.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOptimum Bypass Valve for the R53 MINI Cooper S\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eWhy should you consider an optimized bypass valve?\u003cbr\u003e \u003cbr\u003eOne of the problems we commonly see with the bypass valve on the R53 MINI Cooper S is that the butterfly doesn’t close all the way due to a weak or broken spring, therefore you’ll be losing precious boost at wide open throttle. 1320 can supply and fit you a new modified OEM BMW bypass valve which is adjusted to close fully ensuring that you will now see maximum boost at wide open throttle.\u003c\/span\u003e\u003c\/p\u003e","brand":"KAVS Motorsport","offers":[{"title":"15%","offer_id":56083806519644,"sku":"KAVS Pulley 15% Steel Black","price":124.8,"currency_code":"GBP","in_stock":true},{"title":"17%","offer_id":56083806552412,"sku":"KAVS 17% Steel Black","price":124.8,"currency_code":"GBP","in_stock":true},{"title":"19%","offer_id":56083806585180,"sku":"KAVS Pulley 19% Steel Black","price":124.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/8399\/0364\/files\/0000788_kavs-motorsport-reduced-supercharger-pulley-15-17-19_1_1000x_11e871b5-9a25-4f96-90f4-bbc73dfc5d48.png?v=1768488721"},{"product_id":"mini-11610020836-supercharger-intake-gasket-r53","title":"MINI 11610020836 Supercharger Intake Gasket - R53","description":"\u003cp\u003eThe MINI 11610020836 Supercharger Intake Gasket is engineered for R53 models requiring OEM-specification sealing between the supercharger and intake manifold. This precision gasket prevents boost leaks and maintains optimal air delivery to the engine, ensuring consistent performance and reliability. Manufactured to exacting tolerances, it delivers the durability and fit quality expected from genuine MINI components. Essential for supercharged R53 applications where seal integrity directly impacts power delivery and engine longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"MINI","offers":[{"title":"Default Title","offer_id":55554491449692,"sku":"M11.61.0.020.836","price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/8399\/0364\/files\/0002177_mini-11610020836-supercharger-intake-gasket-r53.png?v=1768924708"},{"product_id":"mini-17511520044-supercharger-outlet-gasket","title":"MINI 17511520044 Supercharger Outlet Gasket","description":"\u003cp\u003eMINI 17511520044 Supercharger Outlet Gasket – OEM replacement component engineered to seal the supercharger outlet connection on compatible MINI models. This precision-manufactured gasket maintains critical pressure integrity within the forced induction system, preventing boost leakage and ensuring optimal engine performance. Direct factory specification part guarantees proper fitment and durability. Essential for maintaining supercharger efficiency and preventing potential performance degradation or coolant seepage. Ideal for routine maintenance or repair work on supercharged MINI engines.\u003c\/p\u003e","brand":"MINI","offers":[{"title":"Default Title","offer_id":55554491711836,"sku":"17511520044","price":16.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/8399\/0364\/files\/0002230_mini-17511520044-supercharger-outlet-gasket.jpg?v=1768918488"}],"url":"https:\/\/www.1320.co.uk\/collections\/gen-1-supercharger-parts.oembed","provider":"1320 MINI","version":"1.0","type":"link"}