{"product_id":"nv-6328-kelford-camshaft-valve-spring-kit-for-bmw-b58-gen-1-5","title":"Kelford Camshaft \u0026 Valve Spring Kit for BMW B58 Gen 1.5","description":"\u003cp\u003eMaximize the performance potential of your BMW B58 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 B58 engine, 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 B58 Gen1.5\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\u003e285° \/ 280° – 10.30mm \/ 10.60mm Valve Lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e285°\/280° stage 2 racing cams for professionally built BMW Gen 1.5 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain 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\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eStage 3 | BMW B58 Gen1.5\u003c\/h2\u003e\n\u003cp\u003eStrip | Drag Race | Roll Race | Drift | E85 | Methanol\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e288° \/ 288° – 10.35mm \/ 10.80mm Valve Lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e288° Stage 3 drag racing cams for professionally built B58 Gen 1.5 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must use aftermarket high flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\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 B58 Gen 1.5\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\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":54985712795861,"sku":"NV-6328-0001","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"None \/ 90lbs","offer_id":54985712828629,"sku":"NV-6328-0002","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"None \/ 110lbs","offer_id":54985712861397,"sku":"NV-6328-0003","price":55900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ None","offer_id":54985712894165,"sku":"NV-6328-0004","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ 90lbs","offer_id":54985712926933,"sku":"NV-6328-0005","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 2 \/ 110lbs","offer_id":54985712959701,"sku":"NV-6328-0006","price":55900.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ None","offer_id":54985712992469,"sku":"NV-6328-0007","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ 90lbs","offer_id":54985713025237,"sku":"NV-6328-0008","price":52600.0,"currency_code":"ZAR","in_stock":true},{"title":"Stage 3 \/ 110lbs","offer_id":54985713058005,"sku":"NV-6328-0009","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-B58-Engines_e60a5635-62ca-45d7-b0b5-4cc6563107d8-1.webp?v=1789885782","url":"https:\/\/montigenix.co.za\/products\/nv-6328-kelford-camshaft-valve-spring-kit-for-bmw-b58-gen-1-5","provider":"MONTIGENIX","version":"1.0","type":"link"}