ADA Posi-Lock Bigfoot Lockout $34.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: HH251 ABOUT THIS PRODUCT:ADA Posi-Lock Bigfoot LockoutAboutAboutADA Posi-Lock lockdown for Bigfoot and Super Bigfoot. Only works when used together with ADA Bigfoot 3rd bearing support. Adjustable fixed tension. Locks engine to tire and eliminates clutch.