Valves & Valve Springs
Silicon-vanadium stock replacement valve spring with harmonic dampener. Works with rotator or non-rotator valve spring retainers. Installed height 1.687″ with 125 lbs seat tension. Will work with any stock-type camshaft up to .500″ valve lift. Recommended with up to Mondello JM-16-18 hydraulic camshaft at .500″ cam lift, 255 lbs open tension and .600″ cam lift before coil bind. You can use any of our chrome moly retainers for this spring: CR-300, 310, 320. Works with stock valve seal. Replacement springs for our SK-245-S spring kit.
Silicon-vanadium, heavy duty valve spring with harmonic dampener. Use with stock steel retainer or any Mondello chrome moly retainer: CR-300, 310, 320. Installed height 1.800″ with 125 lbs seat tension, .500″ cam lift with 265 lbs tension, .600″ cam lift with 305 lbs open tension. Recommended with any stock cam or up to Mondello JM-22-25 camshaft. Springs can be set at 1.750″ for shallow spring seat heads using our CR-320 retainers. works with stock valve seal. Replacement springs for our SK-245-D spring kit.
Martite alloy replaceable exhaust valve seats for unleaded fuel use. This valve seat is for 1.625″ up to 1.680″ O.D. exhaust valves. The valve seat dimension is 1-7/16″ taper I.D., 1.755″ O.D., and .187″ thick. Use a 1.750″ cutter for installation. Use #5290 valves.