HiPoTek HPT243TL Thumpr Hydraulic RollerCamshaft Dodge 5.2/5.9 (318/360) Magnum 

243/257  .534/.520  107 2500-6200  Street/strip needs 9.5:1 CR, 2800+ stall, intake, gears and headers.  Large cubic inch.  Closest to Xtreme Energy with awesome sound. Very rough idle.

These are custom cams and ground to order.  Approximately 4 weeks to grind for shipping.  However, due to uncertain supply chain problems, it could take longer.