1970 M22 speedometer reduction box

[crash]

1970 M22 speedometer reduction box for use with 4.10 rear end ratio. $150 + shipping. [email protected]

[COPO427]

They were also used on 3.73 cars. I had one on my 71 Z28 M22 car I bought in 1975.

[P.J.]

[ QUOTE ]
1970 M22 speedometer reduction box for use with 4.10 rear end ratio. $150 + shipping. [email protected]

[/ QUOTE ]
Crash
what do the numbers mean
PJ

[JIM]

I have never been able to figure them out other than the model 666f and the 8241c the othe has to be a date . I hvae several and there all the same.
Jim

[crash]

The .8241 is the ratio of this reduction box... I know that 1970 LS-6 M-22 used this ratio with 4.10 gears and 14" rims...
I have a large assortment of these with 6 or 7 different ratio's
I will be at the reunion July 27-28 if anyone want to see them... Crash