For Magnum engines with 59¡ tappet bore
Fits the 92-01 5.2L and 93-01 5.9L versions and all the Magnum crate engines.
Higher air flow and performance over the stock cast iron Magnum heads Uses 10-bolt production valve cover design Uses 8mm valve stems Unique vertical style Magnum intake manifold attachment Uses production valve gear except for bigger 3/8'' studs (P4876514 pivots and P4876963 bolts) Machined for 1.92'' intake and 1.625'' exhaust valves Designed with smaller chamber than CI Magnum heads Uses single production exhaust flange pattern No heat crossover Lighter weight 177cc runners 53cc combustion chamber