S&S Cycle 2017 M8 Models Big Bore Top End Guardian Kit 8.8 lb

Building your M8 for big power? S&S has the parts you need to bulletproof the top end of your valvetrain in one convenient kit! S&S performance parts are direct replacement for OEM pieces, but are stronger and more durable, giving your M8 the reliability it needs as you build big HP and Torque numbers. Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit that is the perfect topper for your high performance M8 build.

• Head Bolt Kit - Heat Treated 8640 Steel, 200,000 psi Ultimate Tensile Strength, 14 percent increases in strength over stock
• Forged Roller Rocker Arms - Forged from 8620 steel for greater strength, designed using Finite Element Analysis (FEA)
• Rocker Arm Shafts - Replace broken or worn OEM pieces with stronger, more durable S&S performance parts
• Rocker Arm Stud Kit - Extend the life of your cylinder heads

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