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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.
 IN STOCK - DROPSHIPS YPKF8.8-T/L-31Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. ... 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 $370.89 |
 IN STOCK - DROPSHIPS ZIKF7.5-S-28USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $157.89 |
 IN STOCK - DROPSHIPS ZIKF8.8-S-28USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $199.89 |
 IN STOCK - LOW ZIKF8.8-S-31USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $205.89 |
 IN STOCK - DROPSHIPS ZIKF8.8-T/L-31USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $299.89 |
 IN STOCK - DROPSHIPS ZIKF9-S-28-2USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $213.89 |
 IN STOCK - DROPSHIPS ZIKF9-S-31-4USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA 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 $270.89 |