Page 534

2016roadiron

534 Road Iron™ Tappet block covers for Evolution The horizontal fins of these tappet block covers match the stock cylinders and heads and totally conceal the original tappet block. Matching spark plug covers are also available. Installation is easy with supplied silicone adhesive and does not require tappet block removal. Fits Evolution® Big Twin 1984-99. Sold in pairs. 50-020034 Black tappet block covers with chrome fins Roller Rockers - Stock Ratio JIMS® Roller Rockers are designed to reduce friction in the valve train and provide more horsepower with less heat in the top end. Cast from 4340 chromoly steel and heat treated, JIMS® Roller Rockers feature a 660 bronze bushing fit to .0007”-.0012”, for the best wear resistance and oil control, along with a roller tip made from bearing grade material which reduces valve guide wear and valve tip galling. Other features include a segmented parabolic pushrod cup which reduces friction at pushrod ends and also puts the load on the outer perimeter of pushrod ends. Evo® roller rockers - stock ratio 1.625 53-0033 Use on Big Twin® 1984-present Sportster® 1986-present / Buell®, 1987-present Twin Cam S&S® motors (OEM# 1045RR) Shovelhead® roller rockers stock ratio 1.50 53-0072 Use on Big Twin® 66-84 (OEM# 1732) Rocker arm replacement axle 53-0122 Set of 4 Rocker arm lock ring 53-0123 Replacement lock ring (Set of 8) Evo® rocker shaft Made from Precision Machine tool steel. 53-0083 Use on Big Twin® 1984-present Sportster® 1986-present / Buell® 1987-present Twin Cam S&S® motors (OEM# 17611-83) Shovelhead® rocker shaft Std. O.D. on big end is .937”, smaller end is .434”. 53-0081 Use on Big Twin® 66-84 (OEM# 17611-66B) Ironhead® Sportster® rocker shaft Std. O.D. on big end is .937”, smaller end is .434”. 53-0077 Use on Sportster® 57-85 (OEM# 17435-57B) Early rocker arm bushing - (set of 8) 53-0073 Use on Sportster® 57-85 (OEM# 17428-57) Use on Big Twin® 66-84 Custom rocker arm bushing (set of 8) For Evo’s® use JIMS rocker arm shafts No.53-0083 or equivalent. For Shovelheads® use JIMS No.53-0081. Solid B Ronzo 53-0075 Use for custom applications Late model rocker arm bushing (set of 8) Buell 87-present Big Twin 84-present 17428-83K Sportster 86-present 53-0074 Push rod cover set for Evo® & Big Twin® Billet aluminium pushrod covers, styled after JIMS® smooth look, feature a unique clip that looks like a complete tube, while retaining the simple push-pull spring type function. A sweet, clean look when used with JIMS® Cam Cover and Tappet Blocks. 53-0349 Chrome - Evolution 53-0843 Chrome - Twin Cam


2016roadiron
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