I have a Lembrecht Chevrolet original 1964 Chevy 1/2 ton pu with a six cylinder 230 ci motor The radiator hoses came with tower clamps. The heater hoses are as follows;
The 3/4" ribbed hose with no markings has one spring clip on the heater box end and a band clamp on the water pump side. The 5/8" non-ribbed hose with GM markings in white has two spring clips. If I knew how to post pics I would!!


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1964 Chevy C10 fleetside LB original/unrestored
1966 Chevy C10 stepside SB restomod in progress
1970 Chevy C20 fleetside LB restored