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S&S Top End Guardian Kit

S&S Top End Guardian Kit

SKU: 0927-0042
$888.95 Regular Price
$800.95Sale Price
  • 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
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