Product Descriptions Set of two springs is enough for one cylinder Simplify measuring piston-to-valve clearance, rocker ratio, cam degreeing, etc. Low tension checking springs can be installed by hand in place of valve springs Part number: 4758-2 Satisfaction Guarantee: We aims to provide the best service for our customer, if you're not 100% satisfied with our item, simply return it for a full refund in 30 days. We support 12 months’ Warranty. If you have any problems about our products, please feel free to contact us. Product Features .
