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2016roadiron

536 Road Iron™ Rocker arm shafts 50-010495 Fits Sportster® models 57-85. Replaces OEM Road Iron™ Rocker arm shim kit for Shovelheads® Reduces top end noise with special pre-loaded spring shims installed on the pushrod side of the rockershaft. Includes spring shims, spacers, and rocker plug seals. The seals are designed to conform to the rocker shaft and cover hole for a positive seal. Fits Shovelhead® models 66-84. BLACK TULIP VALVES 50-010519 Rocker arm shim and seal kit “For the serious engine builder” These superb valves feature the highest flow level on the market. They are piece forged from a racing grade stainless steel alloy and they receive a special heat treatment and nitrided process to improve wear properties and reduce friction. This results in incomparable performance and longer valve life. The Black Tulip Valves TM design also feature a 45° angle below the lock groove to reduce the stress in this area and to facilitate the valve seal installation. valve type diameter Length Stem Diameter notes 17435-57A and 17435-57B. Note: On XL® models 57-70 end plug must be updated to 71- 85 style with 1/2”-20 threads Evolution Big Twin and Twin Cam (5/16 Stem) 53-2001 Exhaust 1.570” 4.525” .3106” Black valve 53-2000D Exhaust 1.610” 4.525” .3106” Black valve 53-2174 Exhaust 1.650” 4.490” .3106” Black valve (oversize valve for Jims 120 & SE 110 Heads) 53-2002 Intake 1.900” 4.440” .3108” Black valve 53-2003 Intake 1.940” 4.440” .3108” Black valve 53-2255 Intake 1.990” 4.440” .3108” Black valve 53-2004A Intake 2.020” 4.440” .3108” Black valve (for merch heads or other) 53-2218 Intake 2.100” 4.470” .3108” Black valve (.240” valve tip), (oversize valve for Jims 120 & SE 110 Heads) Evolution Sportster 883 to 1200 Conversion (5/16 Stem) 53-2005 Exhaust 1.480” 4.640” .3106” Black valve (Seats must be machined deeper and their ID must be enlarged to accept these valves) 53-2006 Intake 1.720” 4.560” .3108” Black valve (Seats must be machined deeper and their ID must be enlarged to accept these valves) S&S® Heads 53-2170 Exhaust 1.610” 4.565” .3106” Black valve 53-2171 Intake 2.020” 4.510” .3108” Black valve Sportster 1200 & Buell (5/16 stem) 53-2167 Exhaust 1.485" 4.560” .3106" 53-2168 Intake 1.720" 4.480” .3108" Sportster 1200 & Buell XB9/XB12 (7mm stem) 53-2521 Exhaust 1.575" 4.620" 7mm Black valve also good for stock replacement, triple groove valve 53-2522 Intake 1.810" 4.480" 7mm Black valve also good for stock replacement, triple groove valve 53-2523 Intake 1.851" 4.520" 7mm Black valve, overs valve, triple groove valve Twin Cam (7mm stem, Triple Groove) 53-2516 Exhaust 1.575" 4.555" .2755" Black valve 53-2517 Exhaust 1.610" 4.555" .2755" Black valve, 035" overs valve 53-2518 Intake 1.810" 4.555" .2757" Black valve 53-2519 Intake 1.850" 4.555" .2757" Black valve, 040" overs valve 53-2520 Intake 1.900" 4.555" .2757" Black valve, 090" overs valve


2016roadiron
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