This Summit Racing Camshaft and lifters is a good kit for your SBC 350. Summit Racing SUM-K1103 - Summit Racing® Cam and Lifter Kits - Overview - SummitRacing.com
Add these suggested springs to complete the assembly. Summit Racing SUM-174001 - Summit Racing® Valve Spring and Retainer Kits - Overview - SummitRacing.com
Do a search here on Hotrodders website for this camshaft. People say it is a great camshaft for the money.