1.480" OD, .703" ID, Valve Spring Shims | A-303 | B-303
Use these Valve Spring Inserts to support valve springs better. They won't compress to maintain pressure and protect heads from spring abrasion.
Two thicknesses are available:
- .060" - for springs in service
- .030" - for new springs
Product Information
Product Information
Shipping & Returns
Shipping & Returns

1.480" OD, .703" ID, Valve Spring Shims | A-303 | B-303
1.480" OD, .703" ID, Valve Spring Shims | A-303 | B-303
Use these Valve Spring Inserts to support valve springs better. They won't compress to maintain pressure and protect heads from spring abrasion.
Two thicknesses are available:
- .060" - for springs in service
- .030" - for new springs
Original: $28.99
-70%$28.99
$8.70Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Use these Valve Spring Inserts to support valve springs better. They won't compress to maintain pressure and protect heads from spring abrasion.
Two thicknesses are available:
- .060" - for springs in service
- .030" - for new springs
















