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.
Heat treated steel valve keepers. Over 100% stronger than stock valve keepers. Set of 32.
Machined chrome moly 7° 11/32″ hardened valve keepers. These come in all of our roller spring kits.
Chrome moly steel valve spring retainer. Replaces stock roto-cap retainers. All engines Olds 330-455. Set of 16
Chrome moly steel valve spring retainer. Same as CR-300 except has .060″ longer installed height for obtaining proper spring height. Set of 16.
Chrome moly steel valve spring retainer. Same as CR-300 except has .125″ longer installed height for obtaining proper spring height. Set of 16.
Chrome moly heat treated valve tip lash caps. Fits all Olds 11/32″ valve stems. Very helpful in achieving correct rocker arm geometry.
Teflon valve seal for maximum oil control. Fits all .500″ O.D. valve guides with 11/32″ valve stem size. Valve guides must be machined to .500″ dia x .700″ tall to accept these seals. Use seal cutter SC-620.
Teflon valve seal for maximum oil control. Fits all .530″ O.D. valve guides with 11/32″ valve stem size. Valve guides must be machined to .530″ dia x .700″ tall to accept these seals. Use seal cutter SC-630.
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.
Made exclusively for Mondello’s to measure valve stem height on cast iron heads. Critical when using OEM rockers and stands.
