TA’s Stage 1 series valve springs are made from high quality chrome-silicone steel and are a direct replacement for stock valve springs. These springs work with stock retainers and keepers yet provide the additional spring pressure required for larger street cams and extra rpm.
- Use stock or TA 1449 retainers
- Use stock seals
- No machine work required
- Use TA 1452.040 Locater on Aluminum heads