Stock magnum bottom end with tricj flow heads what cam?

Caco2120 said

Exactlty. What are these mysterious LA shaft rockers that oil through the pushrod? (Besides the Harland -$harp$

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Hardly mysterious. Rockers with oil through cup style adjusters have been around for at least twenty years. Comp, PRW, and Speedmaster steel rockers are a few of the more budget friendly ones.