Rob, just thumbing through the pages you can tell he spent a lot of years doing his research, every vintage karter should have this book, and current karters so they know the history of where karting came from.

Rich, the mount for the 1-1/4-inch axle is rarer that the smaller mount, I would think it is more valuable, but it's whatever price that you are happy with, take it.

The uni-mount without the bearing appears to be for a 1-1/4 inch axle, the bearing for that uni-mount is a Timken YA 103 RR2, the one inch uni-mount bearing is a Timken YA 100 RR

Cool pictures Rob, that was in the beginning.

Mark, message sent

Ted, that Chaparral that sold on BAT was not a Rupp, it was a RobRon Chaparral, the only thing Rupp on it were the wheels, uni-mounts, fuel tank. People buying on the auctions do not know their karts. Two weeks ago there was a nice dual Rupp, 101's, GEM V12's, Horstman mufflers, Rev-grip clutches, f...

GEM Quiet One Adapter: G1141 fits Power Products or West Bend 500 (2.250 cc mounting holes) G1140 fits West Bend 580/700 (2.44 cc mounting holes) Outside holes are 3.060 cc, West Bend 610/820.

Mark, my mistake, it Hanson Rivet & Supply Co. I don't know if they have a minimum order, this package has 100 rivets.

Mark, the rivets I have gotten from Air Craft Spruce are brass. I usually buy my rivets from Henderson Rivet Co. in Southern Calif.

Air Craft Spruce has a brake lining rivet tool, it works on the max torque shoes also. About $30.00 The proper size rivets are 4-4, Air Craft Spruce has them at .03 each.