Shop / Hoist Parts / Rotary Roller to Slide Block Conversion Kit “Challenger 8-1/2″ Bearing” has been added to your cart. View cart Rotary Roller to Slide Block Conversion Kit$263.04 In stock Rotary Roller to Slide Block Conversion Kit quantity Add to cart SKU: TH-7531-68XK Category: Hoist Parts Related products CABLE D 3/8 X 123.8 $139.87 Read more Mohawk Seal Kit Power Unit Column Cylinder $248.33 Add to cart Challenger 8-1/2″ Wiper $262.71 Add to cart Emergency Push Botton $27.00 Add to cart