Sonnax 6L Series PR Valve Kits: Now — No Drilling Required

Get faster, easier 6L45/50, 6L80/90 rebuilds! Thanks to an improved valve design, two popular Sonnax pressure regulator kits no longer require the extra step of pump drilling to restore line pressure control. The new drop-in (104520-15K) and oversized (104520-16K) parts are in related Zip Kit® and Sure Cure kits.