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Looking for aftermarket parts to modify or upgrade your 1981 Ford Thunderbird with valve springs, retainers? At Tunersports.com we carry a huge selection of the top name brand performance valve springs, retainer parts and accessories.
 IN STOCK - DROPSHIPS 768-1Lock Angle - 11/32" Valve Stem Size - 1.437" - 1.500" Spring Diameter.... COMP Cams Steel Retainer 1.437in 1977-1981 Ford Thunderbird Base 1981-1981 Ford Thunderbird Heritage $32.67 |
 OUT OF STOCK 768-100COMP Cams Steel Retainers Eb 1.437in 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $464.10 |
 IN STOCK - DROPSHIPS 768-16Lock Angle - 11/32" Valve Stem Size - 1.437" - 1.500" Spring Diameter.... COMP Cams Steel Retainers 1.437in 1977-1981 Ford Thunderbird Base 1981-1981 Ford Thunderbird Heritage $112.11 |
 IN STOCK - DROPSHIPS 780-16Version of Part# 741-16: 7°... COMP Cams Stl. Retainers 1.500-1.550 7De 1980-1981 Ford Thunderbird Base / Town Landau 1981-1981 Ford Thunderbird Heritage $105.68 |
 IN STOCK - DROPSHIPS 782-16Version of Part# 741-16: 7°... COMP Cams Stl Retainers 1.500-1.550 7Deg 1980-1981 Ford Thunderbird Base / Town Landau 1981-1981 Ford Thunderbird Heritage $106.77 |
 IN STOCK - DROPSHIPS 914-16Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve s... COMP Cams Valve Springs 1.470in 2 Spring 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $195.78 |
 IN STOCK - DROPSHIPS 942-12Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right Metal stock and creating the best design is not done by chance. COMP Cams has developed ... COMP Cams Valve Springs 1.437in Outer 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $93.83 |
 OUT OF STOCK 972-12COMP Cams Valve Springs 1.460in Outer 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $125.18 |
 IN STOCK - DROPSHIPS 914-1Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve s... COMP Cams Valve Spring 1.470in 2 Spring 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $37.06 |
 IN STOCK - DROPSHIPS 942-1Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right Metal stock and creating the best design is not done by chance. COMP Cams has developed ... COMP Cams Valve Spring 1.437in Outer W/D 1977-1981 Ford Thunderbird Base 1981-1981 Ford Thunderbird Heritage $34.10 |
 IN STOCK - DROPSHIPS 972-1Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right Metal stock and creating the best design is not done by chance. COMP Cams has developed ... COMP Cams Valve Spring 1.460in Outer W/D 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $35.82 |
 IN STOCK - DROPSHIPS 9733Edelbrock Valve Spring Retainers are made of superior quality steel and are machined and heat treated for maximum strength. They feature a black oxide finish to prevent rust and corrosion... Edelbrock Retainers for 5722 V/S 1977-1981 Ford Thunderbird Base $184.90 |
 OUT OF STOCK M-6513-1219XFor more than 35 years Ford Performance Parts has been producing and developing performance parts with enthusiasts in mind. Whether you are building from the ground up or working to get that extra tenth of a second, Ford Performance delivers the products you need.... Ford Racing PAC 1219X Valve Spring - Single (for M-6049-Z304DA) 1977-1981 Ford Thunderbird Base 1978-1981 Ford Thunderbird Town Landau 1981-1981 Ford Thunderbird Heritage $311.37 |