Looking for aftermarket parts to modify or upgrade your 1973 Ford Thunderbird with differential spider gears? At Tunersports.com we carry a huge selection of the top name brand performance differential spider gear parts and accessories for your Thunderbird.
Whether you have a 1973 Ford Thunderbird in Base trim we have you covered. We have 2 differential spider gears available to mod your Thunderbird. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS ZIKF9-S-28-2USA Standard Gear Standard Spider Gear Set For Ford 8in & 9in / 28 Spline / 2-Pinion Design 1955-1979 Ford Thunderbird Base $194.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS ZIKF9-S-31-4USA Standard Gear Standard Spider Gear Set For Ford 9in / 31 Spline / 4-Pinion Design 1955-1979 Ford Thunderbird Base $246.89 SALE VIEW PRICE IN CART |