Shnalla Posted March 10, 2018 Share Posted March 10, 2018 Hi, I bought a set of used flat top pistons (Gen4) for my 5.3 (Gen3) and also a set of Gen 4 connecting rods.Pistons came with wrist pin that seems to be the wrong diameter (.945). Also, wrist pin do not fit my Gen 4 connecting rods.Does anyone know the diameter of Gen 4 wrist pin? Should I buy new one in .927 diameter?Thanks! Quote Link to comment Share on other sites More sharing options...
Blackhawk Posted March 11, 2018 Share Posted March 11, 2018 Are the rods stock or aftermarket? It looks like it's typically aftermarket rods that have the .927 pin. Quote Link to comment Share on other sites More sharing options...
Shnalla Posted March 15, 2018 Author Share Posted March 15, 2018 They are stock Gen4 rods. It looks like stock floating rods (Gen4) accept .943 pins, but I'm not sure. Quote Link to comment Share on other sites More sharing options...
Shnalla Posted March 15, 2018 Author Share Posted March 15, 2018 Apologies ... I did not tried hard enough because I was afraid to scuff piston or wrist pin.It was hard to engage but then slide right in. Quote Link to comment Share on other sites More sharing options...
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