Looking for aftermarket parts to modify or upgrade your Mercury Cougar 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 Cougar.
Whether you have a 1967 or 1997 Mercury Cougar in Base to XR-7 trim we have you covered. We have 7 differential spider gears available to mod your Cougar. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS YPKF8.8-T/L-31Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set.... Yukon Gear Spider Gear Kit For Ford 8.8in / 31 Spline / Trac Loc Posi 1979-1979 Mercury Cougar Base 1979-1982 Mercury Cougar XR-7 1981-1986 Mercury Cougar Base 1982-1982 Mercury Cougar GS 1982-1992 Mercury Cougar LS 1984-1997 Mercury Cougar XR-7 $336.89 |
 IN STOCK ZIKF7.5-S-28USA Standard Gear Standard Spider Gear Set For Ford 7.5in 1980-1982 Mercury Cougar XR-7 1981-1986 Mercury Cougar Base 1982-1982 Mercury Cougar GS 1982-1988 Mercury Cougar LS 1984-1988 Mercury Cougar XR-7 $143.89 |
 IN STOCK - DROPSHIPS ZIKF8.8-S-28USA Standard Gear Standard Spider Gear Set For Ford 8.8in / 28 Spline 1979-1979 Mercury Cougar Base 1979-1982 Mercury Cougar XR-7 1981-1986 Mercury Cougar Base 1982-1982 Mercury Cougar GS 1982-1988 Mercury Cougar LS 1984-1988 Mercury Cougar XR-7 $181.89 |
 IN STOCK - DROPSHIPS ZIKF8.8-S-31USA Standard Gear Standard Spider Gear Set For Ford 8.8in / 31 Spline 1979-1979 Mercury Cougar Base 1979-1982 Mercury Cougar XR-7 1981-1986 Mercury Cougar Base 1982-1982 Mercury Cougar GS 1982-1988 Mercury Cougar LS 1984-1988 Mercury Cougar XR-7 $181.89 |
 IN STOCK - DROPSHIPS ZIKF8.8-T/L-31USA Standard Gear Standard Spider Gear Set For Ford 8.8in Trac Loc Posi / 31 Spline 1979-1979 Mercury Cougar Base 1979-1982 Mercury Cougar XR-7 1981-1986 Mercury Cougar Base 1982-1982 Mercury Cougar GS 1982-1992 Mercury Cougar LS 1984-1997 Mercury Cougar XR-7 $265.89 |
 IN STOCK - DROPSHIPS ZIKF9-S-28-2USA Standard Gear Standard Spider Gear Set For Ford 8in & 9in / 28 Spline / 2-Pinion Design 1967-1973 Mercury Cougar Base 1967-1979 Mercury Cougar XR-7 1969-1970 Mercury Cougar Boss 302 / Boss 429 / Cobra Jet 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $194.89 |
 IN STOCK - DROPSHIPS ZIKF9-S-31-4USA Standard Gear Standard Spider Gear Set For Ford 9in / 31 Spline / 4-Pinion Design 1967-1973 Mercury Cougar Base 1967-1979 Mercury Cougar XR-7 1969-1970 Mercury Cougar Boss 302 / Boss 429 / Cobra Jet 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $246.89 |