Shop / Hoist Parts / PKS Lock Release Air Valve “Challenger 8-1/2″ Wiper” has been added to your cart. View cart PKS Lock Release Air Valve$116.93 In stock PKS Lock Release Air Valve quantity Add to cart SKU: TH-AIR032 Category: Hoist Parts Related products CABLE D 3/8 X 123.8 $139.87 Read more Overhead Hose 278″ $319.88 Add to cart Emergency Push Botton $27.00 Add to cart Buttonhead Screw 10×16 $23.18 Add to cart