LA 318 w/ Magnum Heads What Pushrods

Commando66 said

Like the title says, I’m wondering if there is an off the shelf pushrod that will work for this combo. It’s an LA 318 with a hydraulic cam, Magnum heads with roller rockers. I don’t have it assembled yet, just trying to see if I can order a set ahead of time.

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I used a 7.625 from Mopar performance the first time. They were made for doing the conversion. I could not find those the second time so I used a 7.620 Trick flow. Since I used guides I had to have a hardened pushrod. After adjusting the valves using the 1 turn from 0 type adjustment I had plenty of travel. As said above every engine is different so what I used may not work for you. That said, just about every engine book out there lists the magnum head/LA block conversion part list uses the MP 7.625 part number.
Go for it, it will give seat of the pants results.