S&S S&S, Top End Guardian kit

Description

S&SS&S, Top End Guardian kit  917703

fits  18-25 Softail; 17-25 FLT/Touring, 17-25 Trike

This kit is The One for a direct OEM parts upgrade, fits without modifications. Designed to pinpoint & eliminate weak points in the OEM M8 rocker design. Especially advised when changing to a hot cam (+.550″ lift) and more performance in general. This kit combines several S&S sets to provide you with one complete top-end set up that includes everything for the engine to remain dependable with high horsepower and torque numbers. This Top End Gardian kit includes S&S 917702 +66% stronger rocker arm shafts, that replace OEM 17300059B. S&S 587241 rocker arm stud & nut kit, that replaces the OEM 10200503 bolts to prevent rockers coming loose and excessive wear on the tower studs. S&S 576972 cold rolled 8640 heat treated head bolt set, with 200.000 psi tensile strength, replaces OEM 10200303 head bolts and S&S 597871 roller rocker arms which prevent excessive valve thrust and stress, as happens with higher lift cams running at high RPM.

 

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