Edelbrock 8591 - Edelbrock #8591 is a Head Bolt Kit for Big-Block Chrysler Engines with Edelbrock 60185, 60189, 60825, 60839, 60917, 60919, 60925, 60929 and 60149 Performer & RPM Cylinder Heads. This kit contains a complete set of Head Bolts & Washers.

The Edelbrock #8591 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.