S&S Cycle Rocker Arm Guardian Kit For Harley M8 Models

Description

Upgrade your Harley-Davidson® M8 engine for reliable high performance with the S&S Cycle Rocker Arm Guardian Kit. This comprehensive kit includes Rocker Arm Shafts, Rocker Arm Stud Kit, Head Bolt Kit, and Performance Roller Rocker Arms — all engineered as direct replacements for stock parts but with greater strength and durability. Features include hardened and precision-ground shafts, heat-treated 8640 steel head bolts, forged 8620 steel roller rocker arms, and extended bushings for longevity. Designed to handle cams with .550" or greater lift and compatible with both stock and S&S CNC heads. The kit increases reliability, reduces wear, and is serviceable for years to come. A must-have for building big horsepower and torque in your Milwaukee-Eight® engine.

Fits: 2017-up Harley-Davidson® M8 models including Softail Street Bob FXBB, Electra Glide, Road Glide, Fat Bob, Heritage Classic, Low Rider, Tri Glide, and many more. See detailed fitment for specific models.