PRW LS front drive distributor conversion kits are designed for LS1 applications using a 4-barrel carburetor and a distributor. The assembly includes a cast aluminum timing chain cover, camshaft gear and drive adapter hubs that attaches to front of the camshaft timing gear and drives the distributor and mechanical fuel pump (if desired). PRW LS front drive distributor conversion kit can complete the switch from fuel injection to a carburetor and normal distributor for Steet Rod to Racing Applications. Can be used with OEM LS1, LS2, and LS6 camshaft gears, or aftermarket Double Roller/True Roller timing sets. Available Now! 
https://store.prw-usa.com/5234600-gm-ls-gen-iii-5-7l-6-2l-1997-19-a356-front-cover-gear-assembly-for-applications-with-4-bbl-carburetor-and-distributor-as-cast/