273 4-barrel pie tin.

toolmanmike said

The air cleaner with the hose to the valve cover breather is for
CAP (California Air package) I will look around for the vendor I got mine from.
Found one on E-bay !!!!!!!!!!!! Item number: 250376528236 toolman

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Thanks toolman... Learn something new every day...I thought the feds required '66 cars to be built with the closed system, but it is '67 cars built for '68. Since my car is a LA built car, I of course have the closed system, and I never looked past that. THANKS for the heads up.