Isky Racing Dual Valve Springs, 1.560 O.D.
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These springs run harder, rev higher, and live longer. Isky Tool Room (Std) and Rad-9000 (Rad) 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".