Rocker Arm Guardian Kit / M8
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- Fits 17 - 21 M8
- Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit
- Rocker Arm Shafts
- Replace broken or worn OEM pieces with stronger, more durable S&S performance parts
- Direct replacement for stock parts
- Hardened and surface ground for ultimate precision and durability
- Rocker Arm Stud Kit
- Extend the life of your cylinder heads
- Prevent damage to Rocker Arm Towers
- Install studs and safely re-torque nuts
- Black Oxide Finish
- 12 pt Nuts
- Head Bolt Kit
- Heat Treated 8640 Steel
- 200,000 psi Ultimate Tensile Strength
- 14% increases in strength over stock
- Stronger material than stock Head bolts
- Durable Black Oxide Coating
- 9/16" 12 point head with integral washer
- Formed threads
- Cold Formed Head
- Reusable
- Forged Roller Rocker Arms
- Forged from 8620 steel for greater strength
- Designed using Finite Element Analysis (FEA)
- Rollers eliminate thrusting on valves for decreased wear on the valve train
- Rocker geometry is better suited to high lift cams
- Larger surface area on the thrust surfaces reduces wear on the heads
- Bushings are 50% longer than stock, increasing time between rebuilds
- Compatible with stock or S&S CNC heads
- Oil is sprayed directly on the valve springs, reducing potential for breaking a valve due to over-heating (stock rockers tend to oil the rocker boxes, not the valves)
- 1.640 Ratio
- Capable of .650" max Valve Lift
- Serviceable and rebuildable for generations of durabilty
- A must have for cams with .550" or greater lift
Rocker Arm Guardian Kit / M8
Sale price$917.95 USD
Regular price
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Rocker Arm Guardian Kit / M8
Sale price$917.95 USD
Regular price
