Description & Size Guide
With stock 1.625" ratio for a stock application replacement. Forged from 4110 steel; heat treated and shot peened for additional strength and protection from metal fatigue. In these rockerarms pressed-in; extra 0.750" wide; bushings are used instead of needle bearings. A 0.50" diameter aircraft grade steel roller tip ensures wear resistancy and maximum reliability. The lubrication system is modified for un-restricted roller oiling. For replacement parts see: 531870 Rocker arm. Front exhaust or rear intake. 531871 Rocker arm. Rear exhaust or front intake. 531368 Bushing .750". 531367 Complete rebuild kit which includes retaining rings (6); 531368 bushings (8); rollers (4) and shafts (4). Note: S&S advises the use of adjustable pushrods to obtain the required correct valve clearance. Note: Roller rockers are recommended by S&S with cams having more than 0.585" lift. Note: S&S does not recommend 1.745 ratio roller rocker arm sets for street bikes. These will increase stress on cams; tappets; and pushrods. For this reason they are recommended for racing only and not for street applications.
84-17 Big Twin (Excl. M8); 86-22 XL Sportster; 08-12 XR1200; 91-10 Buell XB (NU)
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