That head is clean.

Thanks for the site as well!

Here is what I know about the 2.0l SPI's dimensions

Cylinder Bore: 84.8106mm (3.339inches)
Crankshaft Stroke: 88.011mm (3.465inches)
Connecting Rod Length: 131.9403mm (5.1945inches)
Valve Diameters (Int/Exh): 44.1452mm (1.738inches) / 36.9824mm (1.456inches)

I'm curious (guess any general engine builder would know this) if I used the yb 2.0 connecting rods in my 2.0 spi, would i certainly have to get taller pistons to keep my cr roughly the same since it seems the stroke is less? Also, where the conrod connects to the crank, that hole, is the diameter generally the same with cvh's, pinto sohc and yb's?