S&S Cycle Top End Guardian Kits
VALVE TRAIN, M8 TOP END GUARDIAN KIT
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Estimated Ship Date: May 8, 2026 Would you rather pick it up?
Overview
S&S Cycle Top End Guardian Kits
S&S Cycle Top End Guardian kits include everything needed to strengthen the top-end of your M-Eight engine. They're available for a wide range of Harley-Davidson® bikes. Each kit includes S&S rocker arm stud kit and S&S rocker arm shafts.
Additional product details:
* Rocker arm shafts are more durable than the stock arms
* Roller rocker arms relieve additional stress caused by high-lift camshafts running and high rpms
* Rocker arm stud kit extends the life of your cylinder heads by preventing damage to the rocker arm towers
* Head bolt kit is made of 8640 heat-treated steel with 200,000 psi tensile strength
* Cold-rolled threads and formed washer make these head bolts durable and reusable
Included Items:
(8) 7/16 in.-14 head bolts
(4) Rocker arm shafts
(8) 5/16 in.-18 / 5/16 in.-24 studs
(8) 5/16 in. 12-point nuts
(1) Loctite #262
(4) Roller rocker arms
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Some parts are not legal for use in California or other states with similar laws / regulations
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