PRW Power Main Stud Kit - 6-Bolt Mains - 12 Point Nuts - GM LS-Series IDI3100030140 1/4 in Mounting Hole

1/4 in Mounting Hole

so to make a 4 bar adjustment you simply loosen the bolt

30 lb flywheel with 166 tooth count

red/black look

5 x 11 x 4

PRW Power Main Stud Kit - 6-Bolt Mains - 12 Point Nuts - GM LS-Series IDI3100030140 1/4 in Mounting HoleProduct Description: Main Stud Kit 12 Point Nuts 6 Bolt Mains Steel Black Oxide GM LS Series PRW Industries produces engine components for racing applications such as rocker arms, valve covers and main caps to name a few. These products offer performance gains at a value price. Over a decade ago, PRW Industries, Inc. (PRWI) recognized the need for branded, high performance after market parts that were value priced, and readily available on an in stock