{"product_id":"enginetech-high-performance-engine-camshaft-es1139r-for-improved-power-and-efficiency","title":"Enginetech High Performance Engine Camshaft ES1139R for Improved Power and Efficiency","description":"\u003cp\u003eHigh Performance Engine Camshaft\n\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe Enginetech ES1139R high performance engine camshaft is designed for serious engine builders seeking increased horsepower and torque. Crafted from durable cast iron or billet material, this camshaft features a hydraulic lifter type that ensures smooth operation and longevity. The camshaft's specifications include an exhaust valve lift of .325 inches, with a factory rocker arm ratio of .553, and an intake valve lift of .527 inches at the same ratio. These parameters contribute to enhanced airflow and combustion efficiency, resulting in improved engine performance. The exhaust duration at .050 inch lift is 232 degrees, while the intake duration is 224 degrees, optimizing valve timing for a balanced power curve. Built by Enginetech, a trusted name in engine components since 1982, this camshaft is engineered specifically for engine rebuilders and performance enthusiasts alike. Whether upgrading a domestic or import engine, the ES1139R offers reliable performance and compatibility with a wide range of engine configurations. It is an excellent choice for those looking to increase their engine's power output without sacrificing reliability or drivability. This camshaft is compatible with factory rocker arm ratios, making it a straightforward upgrade for compatible engines. Engine rebuilders and performance tuners will appreciate its precision engineering and robust construction, ensuring consistent performance over many miles of use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLifter Type: Hydraulic for smooth operation and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Valve Lift: .325 inches for optimal exhaust flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCam Type: Dual profile for versatile performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Valve Lift with Factory Rocker Arm Ratio: .553 inches for enhanced exhaust flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIntake Valve Lift with Factory Rocker Arm Ratio: .527 inches for improved intake airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Duration at .050 inch Lift: 232 degrees for balanced exhaust timing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIntake Duration at .050 inch Lift: 224 degrees to optimize intake flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered specifically for engine rebuilders and performance applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with a wide range of domestic and import engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from durable cast iron or billet material for longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003eFeatures:\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eLifter Type: Hyd.\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eExhaust Valve Lift: .325\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCam Type: 2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eExhaust Valve Lift With Factory Rocker Arm Ratio: .553\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eIntake Valve Lift With Factory Rocker Arm Ratio: .527\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eExhaust Duration At .050 Inch Lift: 232\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eIntake Duration At .050 Inch Lift: 224\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eAaiaid Part Number: BBPTES1139R\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Number: ES1139R\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand Aaia: BBPT\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Enginetech","offers":[{"title":"Default Title","offer_id":47550445977749,"sku":"ES1139R","price":182.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/ES1139R_1.jpg?v=1783643607","url":"https:\/\/mizumoauto.com\/products\/enginetech-high-performance-engine-camshaft-es1139r-for-improved-power-and-efficiency","provider":"Mizumo Auto","version":"1.0","type":"link"}