cam timing question

Mr. Gasket 987G = 2°

Mr. Gasket 987G = 4°

http://www.summitracing.com/search/product-line/mr-gasket-crankshaft-keys

http://www.northernautoparts.com/part/mg-987g

http://shop.mr-gasket.com/catalogsearch/result/?q=offset+cam+key

http://www.high-performance-engines.com/Mr-Gasket-987G-p/149845.htm


http://www.oreillyauto.com/site/c/d...ck=Search_7001P_1434986_-1&pt=7001P&ppt=C0382