Performance valve spring kits by Manley made from chrome silicone steel. The perfect match for Manley valves. Each kit contains an inner and outer spring for each valve and upper valve spring collars.
Max. travel is shown without safety clearance. A minimum clearance of .050“ is recommended. Closed valve spring pressure is measured with stock upper and lower valve spring collars and stock installation height, if valve spring collars are supplied with springs it is measured with these collars. Open valve spring pressure is measured at max.possible lift. All valve spring kits are for one motor and without valve spring collars unless noted otherwise.
- spring steel
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