Single plane vs dual plane intake

engines must use Harland Sharp S72025K (1.5 ratio) or S72026K (1.6 ratio) shaft mount roller rocker arms for proper oiling.

Horsepower fans know that Trick Flow is all about developing products that provide maximum performance, such as the PowerPort® 190 cylinder heads for small block Mopar. The heads fit all non-emissions, LA and Magnum-series 318, 340, and 360 engines used through 2003. That’s right, even Magnum owners can now use readily available LA engine parts such as intake manifolds and valve covers.


This is just a copy and paste from the internet. I see where I got the universal part confused. It’s he heads not the block