Colony brand adjustable tappets

I think that most model A parts vendors handle them . Colony adjustable lifters are the double lock type . double lock is more diffiocult to adjust but hold their setting .
 
I think that most model A parts vendors handle them . Colony adjustable lifters are the double lock type . double lock is more diffiocult to adjust but hold their setting .

I think the double lock lifters also have the smaller base diameter on the foot, .99 vs 1.110 for single lock.
 
I think that most model A parts vendors handle them . Colony adjustable lifters are the double lock type . double lock is more diffiocult to adjust but hold their setting .

I could be wrong, but I think Brattons and Snyders offer their own, rather than Colony.
 
Colony makes both styles, I have a set of each in original packaging. The single lock does have a larger base.
 
Berts sells Colony single lock lifters. I have used several sets from them and still have one set on the shelf.
 
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