The following parts are for a CMB 80 HR motor: The 67/80 CMB HR Block is the same so you can convert a 67 to an 80.
1, Used P/S set with Head Button, $80 + shipping// Sold
2, Mac .510 Carb modded to fit 67/80 CMB HR $60 + shipping/ Sold
3, CMB 80, Head Shims, 0015, 30 each. $30 +...