{"product_id":"nv-6184-kelford-camshaft-valve-spring-kit-for-bmw-s58","title":"Kelford Camshaft \u0026 Valve Spring Kit for BMW S58","description":"\u003cp\u003eMaximize the performance potential of your BMW S58 engine with this complete \u003cstrong\u003eKelford Camshaft and Valve Spring Kit\u003c\/strong\u003e, now available from 5150 AutoSport. Designed specifically for the twin-turbo 3.0L S58 engine found in the G80 M3, G82 M4, and other modern M-series platforms, this kit delivers precision-engineered valvetrain components built for serious power.\u003c\/p\u003e\n\u003cp\u003eThis all-in-one upgrade package includes your choice of \u003cstrong\u003eKelford’s Stage 2 or 3 camshaft set\u003c\/strong\u003e, matched with high-performance dual valve springs and titanium retainers for superior valvetrain control at high RPM.\u003c\/p\u003e\n\u003ch2\u003eStage 2  | BMW S58\u003c\/h2\u003e\n\u003cp\u003eStrip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e292° \/ 280° – 10.40mm \/ 10.60mm Valve Lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW M Series Racing Camshafts professionally built BMW S58 engines making 800hp-1400hp. Turbo sizing 66-75mm. Great with aftermarket intake plenums. Maintains full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in full open position when using an aftermarket throttle body.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eStage 3 | BMW S58\u003c\/h2\u003e\n\u003cp\u003eStrip | Drag Race | Roll Race | Drift | E85 | Methanol\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e298° \/ 288° – 10.40mm \/ 10.80mm Valve Lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eBMW M Series Stage 3 drag racing cams designed for professionally built S58 engines producing 1400hp+. Turbo sizing 76mm+ on high boost. Ethanol blend or methanol.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePlease Note: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eAll engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eEach camshaft set is crafted from Kelford’s premium billet cores and CNC-ground for consistency, performance, and durability. The included \u003cstrong\u003evalve spring set\u003c\/strong\u003e ensures stability at elevated boost levels and extended RPM ranges—critical for upgraded turbo systems and forged internals.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for BMW S58 (G80 M3, G82 M4, X3M, X4M)\u003c\/li\u003e\n\u003cli\u003eChoice of \u003cstrong\u003eStage 2 or 3 camshaft profiles\u003c\/strong\u003e depending on power goals\u003c\/li\u003e\n\u003cli\u003eKelford dual valve springs and titanium retainers included\u003c\/li\u003e\n\u003cli\u003eOptimized for increased lift, duration, and airflow\u003c\/li\u003e\n\u003cli\u003eCompatible with upgraded turbos and standalone ECUs\u003c\/li\u003e\n\u003cli\u003eDyno-proven results with proper tuning and supporting mods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S58 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e2 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2023-Present     G87     M2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-Present     G80     M3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-Present     G82\/G83     M4\u003c\/p\u003e\u003ch3\u003eAvailability and delivery\u003c\/h3\u003e\u003cp\u003eSupplied to order. Supplier availability is subject to confirmation. Shipping is calculated at checkout.\u003c\/p\u003e","brand":"NV Performance","offers":[{"title":"None \/ None","offer_id":54985703227605,"sku":"NV-6184-0001","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"None \/ 90 lbs","offer_id":54985703260373,"sku":"NV-6184-0002","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"None \/ 110 lbs","offer_id":54985703293141,"sku":"NV-6184-0003","price":55900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ None","offer_id":54985703325909,"sku":"NV-6184-0004","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ 90 lbs","offer_id":54985703358677,"sku":"NV-6184-0005","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ 110 lbs","offer_id":54985703391445,"sku":"NV-6184-0006","price":55900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ None","offer_id":54985703424213,"sku":"NV-6184-0007","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ 90 lbs","offer_id":54985703456981,"sku":"NV-6184-0008","price":52900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ 110 lbs","offer_id":54985703489749,"sku":"NV-6184-0009","price":55900.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/9196\/2837\/files\/Kelford-Cam-and-Spring-Kit-for-BMW-S58-Engines.webp?v=1789885764","url":"https:\/\/montigenix.co.za\/products\/nv-6184-kelford-camshaft-valve-spring-kit-for-bmw-s58","provider":"MONTIGENIX","version":"1.0","type":"link"}