Valvetrain

JIMS - ROLLER ROCKER ARMS The lightest rocker arm available, but still has superior strength characteristics due to its design. Will accept cams with up to .700" lift at a ratio of 1.625 (stock). Sold as a set of four. The strength of 660...

Cast from 4340 heat-treated chromoly steel Reduce friction in the valve train, providing more horsepower and less heat in the top end Include 660 bronze bushing fit to .0007" - .0012" for the best wear resistance and oil control Roller tip...

Three piece set (3/8", 1/32", 5/16") used to remove or install valve guides Designed for guide removal and installation on all models Made in the U.S.A.

Available from JIMS to allow the proper installation of shoulderless valve guides as well as valve seals Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy FXSTSB 1984 Harley-Davidson Disc Glide...

Available from JIMS to allow the proper installation of shoulderless valve guides as well as valve seals Made in the U.S.A. Compatible Vehicles Years Make Make Notes 2004-2009 Buell Blast 2004-2009 Buell Firebolt...

Available from JIMS to allow the proper removal of shoulderless valve guides as well as valve seals Made in the U.S.A. Compatible Vehicles Years Make Make Notes 2004-2009 Buell Blast 2004-2009 Buell Firebolt XB12R 2004-2007 Buell Firebolt...

Standard solid rollers are designed around three working parts The outer wheel/roller has a 27% greater wall size - less harmonic distortion for better tracking of cam lobe Pin bearings are decreased in size by 12%, which increases rpm for more...

Made from 52100 bearing material Includes 4340 chromoly axle Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1983 Harley-Davidson Disc Glide FXDG 1984 Harley-Davidson Disc Glide FXRDG 1958-1964 Harley-Davidson Duo Glide...

Made from the highest grade materials and heat-treated to JIMS strict standards Feature a 10° lock angle Work well with JIMS titanium valve spring retainers Made in the U.S.A. Compatible...

Shims "average" 47.0 compared to the 46.0 maximum on the Apparent Rockwell Hardness "C" scale For shim-adjusted vehicles

Shims "average" 47.0 compared to the 46.0 maximum on the Apparent Rockwell Hardness "C" scale For shim-adjusted vehicles