Isky Racing Cams 9935 Tool Room Valve Springs, 1.550 O.D.
These springs run harder, rev higher, and live longer. Isky Tool Room racing valve springs are some of the very best valve springs made. Valve springs sold in complete engine sets (16).
- Manufactured to the highest standards in the industry
- Guaranteed for 1,000 racing miles
- Each spring thoroughy tested at the factory
NOTE: Machining of valve seat may be required if spring O.D. is larger than 1.250".
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