JIMS

• Manufactured from the best aerospace grade 9310 American steel • Gear teeth are straight cut with a 53% increase in width when compared to stock, allowing additional load capacity and strength •...

• Manufactured from the best aerospace grade 9310 American steel • Gear teeth are straight cut with a 53% increase in width when compared to stock, allowing additional load capacity and strength •...

Heavy-duty swingarm end caps and axle nut washer resist the bending and flexing seen with stock componentsSwingarm end caps fit more precisely into the end of the swingarm, providing more support of...

Heavy-duty swingarm end caps and axle nut washer resist the bending and flexing seen with stock componentsSwingarm end caps fit more precisely into the end of the swingarm, providing more support of...

Heavy-duty swingarm end caps and axle nut washer resist the bending and flexing seen with stock componentsSwingarm end caps fit more precisely into the end of the swingarm, providing more support of...

Made in the U.S.A.

The lightest rocker arm available, but still has superior strength characteristics due to its designThe strength of 660 bronze bushings and bearing-grade steel for the roller tipExtensively tested...

Cast from 4340 heat-treated chromoly steelReduce friction in the valve train, providing more horsepower and less heat in the top endInclude 660 bronze bushing fit to .0007" - .0012" for the best wear...

Made from the highest grade materials and heat-treated to JIMS strict standardsFeature a 10?? lock angleWork well with JIMS titanium valve spring retainersMade in the U.S.A. Harley-Davidson --...

Made from 52100 bearing materialIncludes 4340 chromoly axleMade in the U.S.A.

These tappets will run in cast iron or aluminum tappet blocksRecommend fitting the tappets to the blocks with a clearance of .0007" to .0012"Produced from billet bearing steelA true center-line for...

Standard solid rollers are designed around three working partsThe outer wheel/roller has a 27% greater wall size - less harmonic distortion for better tracking of cam lobePin bearings are decreased...