07-024 HELMETS & AUDIO PRIMARY & CLUTCH CONTROL CABLES & HYDRAULIC LINES OIL, OIL FILTERS & OIL COOLERS SEAT TRANSMISSION FOOT CONTROLS HARDWARE EXHAUST GASKET & SEALS FRONT FORKS WINDSHIELD ELECTRIC & LIGHT FINAL DRIVE FRAME & REAR SUSPENSION LUGGAGE ENGINE ELECTRICS WHEELS & TIRES FENDER & STRUTS TOOLS & CHEMICALS INTAKE BRAKE GAS & OIL TANK TECH TIPS & CROSS REF OEM>ZPN ENGINE HANDLEBAR, HAND CONTROLS & MIRRORS GAUGES & DASHES ALPHABETICAL INDEX 749851 Crank pin for 2000 to present Evolution Sportster and air cooled Buell 049508 1952-1986 style rod roller retainers with standard size loose rollers (OEM 24370-52B) 234679 1987-1999 style Big End bearing assembly (OEM 24354-87A) This is something you won't find in the OEMparts catalogs, as Harley wants to sell you a complete crankshaft assembly with flywheels, shafts and connecting rods. This press-in and weld-on crank pin allows professional engine builders to rebuild the stock crank of 2000 to present Sportsters and air cooled Buells when used with your choice of 1952-1986 loose roller or 1987-1999 Sportster assembly style connecting rod bearings. Made in Europe from top of the bill material on state of the art equipment for a long, long service life. 1940 CRANK PIN FOR 2000 TO PRESENT SPORTSTER AND AIR COOLED BUELL For Big Twin Models 235819 Fits 1941-early 1981, Jims USA (OEM 348-41 & 23961-41) 235820 Crank pin with special 180 degree oiling system for more complete lubrication on bearing diameter, fits 1941 thru early 1981 Big Twin models (OEM 23961-41) 235821 Crank pin, fits Big Twin models late 1981 thru 1999 (OEM 23961-80) For Sportster Models 235817 Crank pin, fits Sportster models 1954 thru early 1981 (OEM 23960-54) 235818 Crank pin, fits Sportster models late 1981 thru 1999 (OEM 23960-80A) The crank pin is the heart of your engine. Why take a chance, everything revolves around this component! For that reason Jim's Machining in the USA has spent three years developing the ultimate crank pins available. Made from aerospace quality alloy bar steel, made to perfection by Jim's. The pins offer excellent strength and toughness. They are ground to a 16 micron finish with a diamond grinding wheel then polished to a 6 micron finish. Available for Sportster and Big Twin models. Note: Late 1981 thru early 1983 models require 1"-20 TPI nuts (ZPN235827) 1939 JIMS AMERICAN MADE CRANK PINS Pinion gear and sprocket shaft nuts 235833 Pinion gear shaft Big Twin models late 1981 thru 1989, 3/4"-20 thread (OEM 24016-80) 711451 Fits pinion gear shaft Big Twin models late 1981 thru 1989, 3/4"-20 thread (OEM 24016-80), USA Made 231835 Fits pinion gear shaft on 1954 thru 1990 Sportster, dealer 5-pack (OEM 7913) 234680 Fits pinion gear shaft on 1991 to present Sportster and 1993 thru 1999 Big Twin (OEM 7916A) 235834 Fits sprocket shaft Big Twin models 1972 thru early 1985, 1 1/8"-16 thread, USA Made Crank pin nut sets 235826 Fits Sportster models from 1954 thru early 1981, 1"-20 thread (OEM 23967-54A), Jims 235823 Fits Sportster models late 1981 thru 1997 and Stroker motors 1954 thru early 1981, check for clearances, 1"-20 thread (OEM 23901-81), Jims 231565 Fits Big Twin models from 1954-early 1981. 1"-18 thread (OEM 23966-54A), USA Made 235827 Fits Big Twin models late 1983 thru 1999, 1"-20 thread (OEM 23969-83), USA Made These USA made nuts now give the ultimate in flywheel holding power. The mating face of each nut has been ground to a 32 surface finish and held square to threads within .0005". This in turn will pull the shafts straight into the flywheels and simplify flywheel turning. But it did not stop there, each nut is machined on state of the art CNC lathes and heat treated to make these nuts the toughest and the best available on the market today. 1938 NUTS FOR CRANK PINS, SPROCKET AND PINION SHAFTS 235841 Fits 1987 thru 1989 models, metered oil hole plugs included 741920 Fits 1981 thru 1999 Evolution models, must be used with 1981 thru 1989 style aftermarket stroker flywheels and 1993 thru 1999 nose cone cover, pre-1990 pinion gear and pre-1990 oil pump drive gear, and late 3/4"-20 nut ZPN235833 (OEM 24016-80) 711290 Same as ZPN741920, but for use in crankcases with 1/4" offset cam chest as used in S&S and Merch engines Big Twin Note: Late 1981 thru early 1983 models require the late 3/4"-20 nut ZPN235833 (OEM 24016-80). 235838 Fits 1958 thru 1972 models (OEM 24006-58) 235839 Fits 1973 thru early 1981 models (OEM 24006-73) 235840 Fits late 1981-1986 models, metered oil hole plugs included, Jims USA (OEM 24006-80 & 24006-83) Sportster 235835 1957-1976 (OEM 24005-57) Jims Machining makes these high quality pinion shafts from high quality aircraft alloy steel. According to Jims they are the finest on the market and are used by the worlds most famous engine builders. Highly recommended for High Performance engines. 1937 JIMS USA MADE PINION SHAFTS Big Twin models 231560 Fits 1930-1955 OEM flywheels (OEM 24001-30) 231561 Fits 1956-1964 OEM flywheels, 3.51" length, 8.5° taper (OEM 24001-56) 231562 Fits 1965-1969 OEM flywheels, 3.750" length, 8.5° taper (OEM24001-65) 231563 Fits 1970-1971 OEM flywheels, 4.262" length, 8.5° taper (24001-70) 235832 Fits 1972-early 1981 OEM flywheels, 4.262" length, 8.5° taper (OEM 24001-72) 235828 Fits OEM flywheels late 1981 thru early 1985 and aftermarket flywheels for 1970-1999 models, 4.262" length, 6° taper (OEM 23909-80) Sportster models 235829 Fits 1957-1976 OEM flywheels (OEM 24000-57) 235830 Fits 1977 thru early 1981 OEM flywheels (OEM 24000-75) 235831 Fits late 1981 thru 1985 OEM flywheels (OEM 24000-80) These aircraft quality sprocket shafts by Jims Machining offer you the best quality available on the market. They are precision machined, heat treated and then ground to a perfect finish. Length is stated from bearing shoulder to the end of the sprocket nut thread. 1936 JIMS USA MADE SPROCKET SHAFTS (Ȧ*ȡ1ȝ CRANKSHAFT PARTS (Site 434)
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