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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Perfect idle at 900RPM or even at 350RPM
billet tappet guides and with S&S roller rockers and a Super G carburetor set-up
Brake/clutch controls and switch housings with OEM style clamps sold separately
Plug-in installation
000 RPM bar graph
KPMI, valve spring kit. .415" lift. Steel top collars - 66-E79 Shovelhead (NU) 526303 Perfect idle at 900RPM orReduces total valve train mass. Great for OEM rebuilds with stock specifications. The springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes springs, upper collars, lower collars, and valve keys. Max valve lift: . 415. Installed height: 1. 375". Seat pressure 129 lbs. Open pressure: 272 lbs. @ . 415 valve lift. Note: With . 565" diameter valve guides.
