Zl-1 Pistons,Pins and Rings from Jenkins Competition
This might be the first of GM ZL-1 prototype pistons to be used by JENKINS COMPETITION.
These pistons are 4.250'' bore, .990 x 2.885'' taper bore pins, single .070'' spiro locks and the pistons were balanced and lighted. The ring groves are 1/16 , 1/16 , and 3/16 oil ring. As you can see the rings still have the factory paint on them !!!!!!!. These pistons were put in a Forgetrue box with a invoice dated 12-6-68 !!!!!! $1500.00 or best offer Plus freight Thanks Joe
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