300 pro max heads

[RADER]

Looking for a set of 300 pro max heads C 10

[Prey4me454]

I have them. I don't know what the c10 means maybe I don't. But I bought these from Mercury in 2022 they are gold and have 120 compression on my 225. They are used about 20 hours. I paid 900 dollars for them. I will take 600.

[johnmiffco]

i have a set of c10 heads
they were just cut .080 and oring grooves milled back in
these makes 140 compression
if want a lil more comp i have these
will sale for machine cost 350.00

[RADER]

I’m looking for the set of stock heads, they can’t be cut.