Best budget 360 stroker kit

magnum heads are garbage for anything other than slightly warmed up or stock AND don't flow over 250's cfm and are a liability when it comes to durability/longevity.JMO/experience


It cost me $800 ish for a full performance rebuild on the heads, I did my own porting.

Not everyone wants to do it this way and that is totally cool, cause we are all individuals here.

What a load of garbage...

Your making statements based on your opinion and not fact.

Your comparing j and x head peak flow #s to magnum peak flow #s. Apples to oranges doesnt work. Now if you want to talk about flow under the curve instead of at 6500rpm....

All late model cast iron heads from all manufacturer have cracking problems. This is more due to the VERY lean air/fuel mixtures used. This causes raised combustion tempuratures,combined with lightweight and sometimes thin here and there casting tecniques.