ROCKER ARM GUARDIAN KT M8

Rocker Arm Guardian KitRocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kitRocker Arm ShaftsReplace broken or worn OEM pieces with stronger, more durable S&S performance partsDirect replacement for stock partsHardened and surface ground for ultimate precision and durabilityRocker Arm Stud KitExtend the life of your cylinder headsPrevent damage to Rocker Arm TowersInstall studs and safely re-torque nutsBlack Oxide Finish12 pt NutsHead Bolt KitHeat Treated 8640 Steel200,000 psi ultimate tensile strength14% increases in strength over stockStronger material than stock Head boltsDurable Black Oxide Coating9/16" 12-point head with integral washerFormed threadsCold Formed HeadReusableForged Roller Rocker ArmsForged from 8620 steel for greater strengthDesigned using Finite Element Analysis (FEA)Rollers eliminate thrusting on valves for decreased wear on the valve trainRocker geometry is better suited to high lift camsLarger surface area on the thrust surfaces reduces wear on the headsBushings are 50% longer than stock, increasing time between rebuildsCompatible with stock or S&S CNC headsOil 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 RatioCapable of .650" max Valve LiftServiceable and rebuildable for generations of durabiltyA must have for cams with .550" or greater liftEU: 1378,95 MPa ultimate tensile strengthEU: 1,43 cm 12-point head with integral washerEU: Capable of 1,65 cm max Valve LiftEU: A must have for cams with 1,40 cm or greater liftKit Includes: • 4x Rocker Arm Shafts • 8x Rocker Arm Stud Kit • 8x Head Bold Kit • 4x Forged Roller Rocker Arms