It's a cool ride, can't tell from the pix but it appears to have the unit construction head. A very good mod since the pre-unit alloy heads tended to crack between the head bolts and valve seats. Also a single carb head, those always seemed to me to run better and easier to maintain.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!