JOES A-Arm Slug - 1/8" 11100 900" effective length for use

900" effective length for use with Mark V and Mark VI Chevrolet Big Blocks

Prevents binding and eases leaf spring maintenance

24 Spline Drive Flange

947 Cranking amps

1958-1960 GMC Truck

JOES A-Arm Slug - 1/8" 11100 900" effective length for useOur slugs are machined out of aluminum, black anodized and laser engraved for easy identification. Slugs sold separately in 1 8" increments, centered to 1 2". JOES Racing Products staff are racers, competitive, and know quality parts and why they work well. At Joes Racing Products, they obsess over the details to produce quality racing parts that give you the competitive edge in a demanding sport. Joes Racing Products knows you can't stand being an