Description
If you’re pushing your LS engine to higher RPMs or running a aggressive cam profile, your factory valve springs won’t cut it. This Comp Cams dual spring kit is engineered to maintain valve control under extreme lift and velocity, preventing float and ensuring consistent power delivery across the entire rev range. Built with steel retainers and a robust 400 lb/in rate, it’s the foundation of reliable high-performance cylinder head operation.
- Dual valve springs
- 400 lb/in rate
- 1.070 in coil bind
- 1.320 in OD
- Steel retainers included
- Viton seal equipped
- Steel seat insert
- GM LS-series fitment
- Complete kit assembly
- Bolt-on installation






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