{"product_id":"btr-hemi-vvt-stage-4-camshaft","title":"BTR HEMI VVT Stage 4 Camshaft","description":"\u003cp\u003eBTR\u003cbr\u003e\nHEMI VVT STAGE 4 CAMSHAFT\u003cbr\u003e\n224\/24X, .587\/.586, 112.5 LSA\u003cbr\u003e\nINTAKE LOBE LIFT @ TDC: 0.05137\u003cbr\u003e\nBrian Tooley Racing proudly unveils the latest breakthrough in the dynamic world of the Gen III HEMI. Our Gen III HEMI camshafts stand as a testament to our commitment to innovation, crafted in response to the evolving landscape of high-performance demands. Whether you're conquering rugged terrains in a Ram truck or unleashing power on the streets in a Charger or Challenger, our meticulously curated Gen III 5.7 HEMI cam lineup is poised to meet and exceed your every need.\u003cbr\u003e\nElevate your engine's performance with our ‘Stage 4’ Camshaft. Meticulously crafted in-house, we design and develop the lobes with a delicate balance of performance and stability in mind. Rigorous spintron and dyno testing validate its superior performance and durability, making it the choice for enthusiasts seeking a noticeable upgrade.\u003cbr\u003e\n510+ HP at the crank of your 5.7L Hemi is what you can expect with our ‘Stage 4’ camshaft. This ‘Stage 4’ grind provides an additional 1900 RPM of usable operating range while maintaining drivability when paired with an aftermarket Torque Converter. On the BTR Dyno, we observed gains starting at 3800 RPM, with a peak gain of 83 HP and 72 lb\/ft at 6000 RPM. The ‘Stage 4’ continues to pull strong past 7100 RPM!\u003cbr\u003e\nEngine Family:    GEN III 2009+ HEMI APPLICATIONS\u003cbr\u003e\nVVT LOCK-OUT REQUIRED:  BTR-VVT-HEMI-LO (Included with cam)\u003cbr\u003e\nRecommended Valve Springs:\u003cbr\u003e\nSK017\u003cbr\u003e\n,\u003cbr\u003e\nSK017\/TS\u003cbr\u003e\n, OR\u003cbr\u003e\nSP021-16\u003cbr\u003e\nValve Tip Saver:\u003cbr\u003e\nHEMILC-16\u003cbr\u003e\nLifters REQUIRED:   Non-MDS (MDS Conversion required)\u003cbr\u003e\n05038784AD\u003cbr\u003e\n,\u003cbr\u003e\n2356\u003cbr\u003e\n,\u003cbr\u003e\n2326\u003cbr\u003e\nIntake Duration @ .050” Lift:  224\u003cbr\u003e\nExhaust Duration @ .050” Lift: 24X\u003cbr\u003e\nLobe Separation Angle:  112.5\u003cbr\u003e\nIntake Valve Lift:    .587\u003cbr\u003e\nExhaust Valve Lift:   .586\u003cbr\u003e\nIntake Lobe Lift:    .356\u003cbr\u003e\nExhaust Lobe Lift:   .355\u003cbr\u003e\nIntake Lobe Lift @ TDC   0.051\u003cbr\u003e\nRPM Operating Range:    2300-7400\u003cbr\u003e\nIdle Quality:     Aggressive Sound\u003cbr\u003e\nChop Scale:     8\/10\u003cbr\u003e\nExpected Cam Swap Gains:   85 Horsepower, 12 Ft\/lbs, extra 1900 RPM of operating range\u003cbr\u003e\nTorque Converter Characteristics:   We recommend the use of an aftermarket converter for best performance.\u003cbr\u003e\nHEMI VVT Limiter Installation Tool:  BTR-VVT-Hemi-Tool\u003cbr\u003e\nHEMI Valve Spring Compressor Tool: BTRHemiSpringTool\u003cbr\u003e\nMade in the USA!\u003cbr\u003e\nFOR FASTENER TORQUE SPECS, DIAGRAMS, AND OTHER TECHNICAL INFO, VISIT: BRIANTOOLEYRACING.COM\/TECHNICAL\u003cbr\u003e\nNOTE: The use of a BTR aftermarket spring kit is required due to high valve lift and increased rpm potential in combination with the heavy OEM valves. We also recommend the use of hardened pushrods in power adder applications.\u003cbr\u003e\nNOTE: To take advantage of this grind, a proper calibration with attention to detail will make this camshaft SHINE!\u003cbr\u003e\nNOTE: The ‘Stage 4’ Camshaft requires the use of a VVT ‘Lock-Out’ (BTR-VVT-HEMI-LO) to be installed in your cam phaser. This is included in the camshaft box; no need to purchase. However, if you do not already have the required installation tool (BTR-VVT-Hemi-Tool), you will need to purchase the tool separately.\u003cbr\u003e\nThe dyno test below was conducted on a stock Eagle 2009+ 5.7 with a truck intake, valve spring upgrade, E85, and long-tube headers. Stock cam VS. our ‘Stage 4’ cam.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52041448751398,"sku":"BTR-57HEMIVVTSTG4","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/btr-57hemivvtstg1w-8cam_1_of_1.jpg?v=1770811136","url":"https:\/\/billysspeedshop.com\/fr\/products\/btr-hemi-vvt-stage-4-camshaft","provider":"Billys Speed Shop","version":"1.0","type":"link"}