ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-33 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE Model & Year Application Part # Ironhead Intake Chrome Stem, fits 1970/1985 61059 Sportster (Rpls HD 18027-80) Exhaust Chrome Stem 1 9/16” Head 61050 Standard OD (1.570”), 1958/1985 (Rpls HD 18080-58A & 18033-80) Evolution Intake Chrome Stem 1.715” Head 61147 Sportster OD (Rpls HD 18023-87) 1200cc Exhaust Chrome Stem 1.480” Head 61173 1988/2003 OD (Rpls HD 18024-87) Valves ONE PIECE STAINLESS STEEL VALVES FOR ALL MODELS • The standard of the industry since their inception, Manley valves are designed to outflow and outperform all others even in the most severe environments. • Manufactured from high temperature materials, these valves feature swirl polished, performance oriented shapes. • Up to a 30% weight reduction over stock ensures a stable valve train, even at high RPM’s. • Sold in pack of two. Big Twin Model & Year Application Part # Panhead Intake Chrome Stem (Rpls HD 18071-48) ---- 1948/1965 Exhaust Nitride Stem (Rpls HD 18082-57A) ---- Exhaust Chrome Stem (Rpls HD 18082-57A) 61056 Shovelhead Intake Nitride Stem (Rpls HD 18075-81) ---- 1966/Later Intake Chrome Stem (Rpls HD 18075-81) 61055 Exhaust Nitride Stem (Rpls HD 18082-57) 61108 Exhaust Chrome Stem (Rpls HD 18082-57) 61056 Big Twin Intake Chrome Stem (Rpls. HD 18704-83A ---- Evolution, Intake Nitride Stem (Rpls HD 18074-83A) 61149 all years Intake 2.00” OS Head Stock Length 61150 Chrome Stem Exhaust Chrome Stem (Rpls HD 18082-83) 61137 Twin Cam 88 Intake Chrome Stem (Rpls. HD 18704-83A ---- 1999/2004 Intake Nitride Stem (Rpls HD 18074-83A) 61149 Intake 2.00” OS Head Stock Length 61150 Chrome Stem Exhaust Chrome Stem (Rpls. HD 18085-99) 61138 Twin Cam Intake Chrome Stem (Rpls HD 18074-05) 61174 2005/Later Exhaust Chrome Stem (Rpls HD 18085-05) 61175 Sportster BUDGET PERFORMANCE STAINLESS STEEL VALVES FOR BIG TWIN • These one piece valves are designed for the performance oriented, but priced for the budget minded. • All exhaust valves are made from XH 422 stainless steel and all intake valves are NK 840. • Available in the extremely hard, chrome stem version. • All are one piece forgings with heat hardened tips and fully machined, performance oriented shapes. • All head diameters, stem diameters and overall lengths are the same as OEM. • Sold as a set of 2 valves. Chrome Stem Head Stem Overall Part # Model & Year Type Rpls. HD Diameter Diameter Length Chrome Stem Panhead, all years Exhaust 18082-57 & 1.750” .3745” 3.832” 61159 Shovelhead, all years 18086-80 Shovelhead, all years Intake 18074-66 & 1.940” .3765” 3.890” 61161 18075-81 Evolution, all years Exhaust 18082-83 1.615” .3095” 4.525” 61163 Evolution, all years Intake 18074-83A 1.850” .310” 4.440” 61165 Twin Cam 1999/2004 Intake 18074-83A 1.850” .310” 4.440” 61165
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