Nockenwelle & Stößel im Set, mechanisch, Timing 274/280, Hub .502/.511, Mopar Big Block 361, 383, 400, 413, 426wedge, 440 cui, B/RB-Engine Camshaft, Solid Flat Tappet, Advertised Duration 274/280, Lift .502/.511, Chrysler Big Block Brand: COMP Cams Product Line: COMP Cams Xtreme Energy Cam and Lifter Kits Part Type: Camshaft and Lifter Kits Cam Style: Mechanical flat tappet Basic Operating RPM Range: 2,200-6,200 Intake Duration at 050 inch Lift: 236 Exhaust Duration at 050 inch Lift: 242 Duration at 050 inch Lift: 236 int./242 exh. Advertised Intake Duration: 274 Advertised Exhaust Duration: 280 Advertised Duration: 274 int./280 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.502 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.511 in. Valve Lift with Factory Rocker Arm Ratio: 0.502 int./0.511 exh. Lobe Separation (degrees): 110 Camshaft Gear Attachment: 1-bolt Intake Valve Lash: 0.016 in. Exhaust Valve Lash: 0.018 in. Grind Number: XS274S Computer-Controlled Compatible: No Lifters Included: Yes Lifter Style: Mechanical flat tappet Valve Springs Included: No Retainers Included: No Locks Included: No Valve Stem Seals Included: No Timing Chain and Gears Included: No Assembly Lubricant Included: Yes Pushrods Included: No Rocker Arms Included: No Gaskets Included: No Valve Springs Required: Yes Quantity: Sold as a kit. Cam and Lifters, Mechanical Flat Tappet, Advertised Duration 274/280, Lift .502/.511, Mopar,Big Block B/RB,Kit Improve your throttle response and top-end horsepower with Xtreme performance! COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Whether your use is off-roading, towing, or street performance, there is anXtreme Energy cam and lifter kit available for you. By using an aggressive lobe profile, these cam kits provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum.