Rocker Shim Conversion Dual Valve Spring Kit

Valve Spring Kit - Rocker Shim Conversion - Dual Springs - H.T. Steel Retainers - M8

• Designed for maximum performance
• Features interference-wound, double-chrome silicone springs; heat-treated steel base washers
• All spring kits should be used together
• Available in a complete set for one engine
• Made in the USA
• Modification necessary to maximize shim contact, KPMI recommends "tipping" (shortening the valve tip).
• There is anticipated to be a rough 0.100" increase in effective stem protrusion with the use of the shim.
• This system must be run with KPMI's newer style M8 valve guides, which are shortened for 0.675" valve lift.