Lakewood Industries has developed a universal bolt kit to mount most domestic passenger car engines to our popular economy Lakewood Engine Stands, part #620-33040 and part #620-33060. The #620-33041 kit includes four 3/8''- 16 X 3-1/4'' grade 5 bolts and four 7/16''- 14 X 3-1/4'' grade 5 bolts with washers.