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 Instructions Show Less