Dual Spring Assemblies (1) Dual Valve Spring Assemblies; 1.539", Dia. 2 3.697" (with Damper) Code: 939-1 Price: $8.34 Quantity in Basket: none (16) Dual Valve Spring Assemblies; 1.539", Dia. 2 3.697" (with Damper) Code: 939-16 Price: $133.36 Quantity in Basket: none (1) Dual Valve Spring Assemblies; 1.539", Dia 2. 1.136" (No Damper) Code: 943-1 Price: $21.36 Quantity in Basket: none (16) Dual Valve Spring Assemblies; 1.539", Dia 2. 1.136" (No Damper) Code: 943-16 Price: $341.69 Quantity in Basket: none (1) Dual Valve Spring Assemblies; 1.539", Dia 2. 1.120" (No Damper) Code: 944-1 Price: $20.95 Quantity in Basket: none (16) Dual Valve Spring Assemblies; 1.539", Dia 2. 1.120" (No Damper) Code: 944-16 Price: $335.16 Quantity in Basket: none (1) Dual Valve Spring Assemblies; 1.464" (With Damper) Code: 950-1 Price: $8.34 Quantity in Basket: none (16) Dual Valve Spring Assemblies; 1.464" (With Damper) Code: 950-16 Price: $133.36 Quantity in Basket: none (1) Dual Valve Spring Assemblies; 1.620" (No Damper) Code: 951-1 Price: $20.80 Quantity in Basket: none (16) Dual Valve Spring Assemblies; 1.620" (No Damper) Code: 951-16 Price: $332.87 Quantity in Basket: none