Description
Valve seal degradation is one of the most common causes of oil burning and compression loss in high-performance engines. These Allstar Performance PTFE valve seals provide a positive-stop design that ensures consistent sealing pressure without the risk of over-compression, protecting your valve guides and maintaining ring seal integrity across extended racing seasons. Whether you’re rebuilding a circle-track engine or refreshing a street performance build, a complete set of quality seals is non-negotiable for reliable combustion chamber sealing.
- 5/16″ valve stem
- 0.620″ outer diameter
- 0.531″ guide OD
- PTFE construction
- Positive stop design
- Set of 16 seals
- Bolt-on installation
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