or camel hump heads. heres a more specific list of what i want.

1st choice.
casting number 3991492 has 2.02/1.60 valves and 64cc combustion chambers. has accessory holes. 1970

2nd choice
casting number 3927186 with 2.02/1.60 valves and 64cc combustion chambers. has accessory holes. 1969-1970

3rd choice
casting number 3947041 with 2.02/1.60 valves and 64cc combustion chambers. has accesory holes. 1969-1970

4th choice
casting number 3973414 has 2.02/1.60 valves and 64cc combustion chambers. has accessory holes. 1970

5th choice
casting numbers 3890462, 3891462, or 3990462 with 2.02/1.60 valves and 64cc combustion chambers. doesnt have accessory holes. 1962-1968

6th choice
casting number 3782461 with 2.02/1.60 valves and 64cc combustion chambers. doesnt have accessory holes. 1964-1966

7th choice
casting numbers 3912291, or 3917291 with 2.02/1.60 valves and 64cc combustion chambers. doesnt have accessory holes. 1967-1968

8th choice
casting numbers 3917292, or 340292 with 2.02/1.60 or 1.94/1.5 valves, 64cc combustion chambers. Accessory holes? 1968

9th choice
casting number 3947040 with 1.94/1.5 valves, 64cc combustion chambers. Doesn’t have accessory holes. 1968

10th choice
casting number 3927187 with 1.94/1.5 valves, 64cc combustion chambers. Do have accessory holes. 1969-1970