Description
Valve spring retainers are critical to maintaining precise valve control under high RPM and boost conditions—any deflection or wear directly compromises your engine’s power delivery and reliability. The Isky 275ST delivers the rigidity and durability required for forced induction and high-revving builds, with a 7-degree geometry optimized for dual-spring configurations. This set of 16 chromoly retainers ensures consistent performance across all cylinders while resisting the thermal and mechanical stress that causes premature failure.
- 7-degree geometry
- Chromoly construction
- 1.120 in / 0.730 in OD steps
- Dual spring compatible
- Set of 16 retainers
- Valve spring retainer
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