Chev 216 valve collets ( keepers)
I recently picked some nos DUFOR (Australian manufactured) exhaust valves for the Chev 216 engine, they also fit many other GM engines from that era. I have noticed that the DUFOR valves have a single wide groove for the collets . The GM originals I have seen have two narrow grooves for the collets .
Looks like GM changed the design of the stem groove and the collets at some point in time ? I think earlier style stems have the single wide groove but not sure.
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1940 cab 11 C8
1940 Morris-Commercial PU
1941 Morris-Commercial CS8
1940 Chev. 15cwt GS Van ( Aust.)
1942-45 Jeep salad
Last edited by Mike Kelly; 12-03-24 at 11:45.
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