{"product_id":"45-inch-4-speed-transmission-assembly","title":"45 inch 4-Speed Transmission Assembly","description":"\u003cp\u003eThis 4-speed transmission comes completely assembled with all gears  shaft and covers installed for a quick  straight- forward installation. It accepts original primary drive with clutch and the chain sprocket with cover.\n\u003cbr\u003eLooks the same as a 3-speed unit  the only extra part required is a 4 speed shifter gate. The original 3 speed transmission is the large gear ratio difference between 1st and 2nd  i.e. from 2.47 to 1.57:1 with a consequent big rpm drop. The 4 speed version with its extra gear allows you to stay in the power band much better for performance. Includes a parkerized sprocket cover with arm  black solo kick start arm  black pedal assembly  clutch hub without rollers and a 17 tooth countershaft sprocket. The shift pattern is as follows: 1st gear is back towards driver  neutral  3rd and 4th gear are foward. Shift pattern uses 4-speed gate and rod with clevis. Shift lever all the way to the rear  ball detent in first gear pocket for lever position during assembly. Order clutch pack separately. *NOTE: Lever all the way towards the rear is first gear! *NOTE: The 4-speed tank shift gate is available separately for the early cateye tanks  or the late tanks of 1948-1973. *NOTE: Late shifter pattern  Technically the Servi-car would only work from 1947-63 because the first electric starter was created in 1964″ but it will fit as a kick starter only. \n\u003cbr\u003e Tech Notes: Stock 3-Speed Gear Ratios: 1st - 2.47:1  2nd - 1.57:1 3rd - 1:1 4-Speed Gear Ratios: 1st - 2.67:1  2nd - 2.03:1 3rd - 1.42:1  4th - 1:1. Suggested to use with #49-0076 Chrome Left Side Tank Hand Shifter Gate  for 1936-1946 models. Suggested to use with #21-0522 4-Speed Shifter Gate Chrome for 1947-1964 models. Suggested to use with #17-9836  Transmission Thrust Washer Left Side Suggested to use with #17-1763  45 Transmission Outer Thrust Washer Suggested to use with #17-0493  45inch WL 4-Speed Transmission Ratchet Shifter Gear *NOTE: 4 speed transmission door must be milled to accept 17 tooth sprocket.\u003c\/p\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1947 Harley Davidson G\u003cbr\u003e\n1947 Harley Davidson WL\u003cbr\u003e\n1948 Harley Davidson G\u003cbr\u003e\n1948 Harley Davidson WL\u003cbr\u003e\n1949 Harley Davidson G\u003cbr\u003e\n1949 Harley Davidson WL\u003cbr\u003e\n1950 Harley Davidson G\u003cbr\u003e\n1950 Harley Davidson WL\u003cbr\u003e\n1951 Harley Davidson G\u003cbr\u003e\n1951 Harley Davidson WL\u003cbr\u003e\n1952 Harley Davidson G\u003cbr\u003e\n1952 Harley Davidson WL\u003cbr\u003e\n1953 Harley Davidson G\u003cbr\u003e\n1954 Harley Davidson G\u003cbr\u003e\n1955 Harley Davidson G\u003cbr\u003e\n1956 Harley Davidson G\u003cbr\u003e\n1957 Harley Davidson G\u003cbr\u003e\n1958 Harley Davidson G\u003cbr\u003e\n1959 Harley Davidson G\u003cbr\u003e\n1960 Harley Davidson G\u003cbr\u003e\n1961 Harley Davidson G\u003cbr\u003e\n1962 Harley Davidson G\u003cbr\u003e\n1963 Harley Davidson G\u003cbr\u003e\n1964 Harley Davidson G\u003cbr\u003e\n1965 Harley Davidson G\u003cbr\u003e\n1966 Harley Davidson G\u003cbr\u003e\n1967 Harley Davidson G\u003cbr\u003e\n1968 Harley Davidson G\u003cbr\u003e\n1969 Harley Davidson G\u003cbr\u003e\n1970 Harley Davidson G\u003cbr\u003e\n1971 Harley Davidson G\u003cbr\u003e\n1972 Harley Davidson G\u003cbr\u003e\n1973 Harley Davidson G","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":55915267096744,"sku":"17-4500","price":5161.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/8273\/6552\/files\/17-4500a.jpg?v=1787801081","url":"https:\/\/speedguyscanada.com\/products\/45-inch-4-speed-transmission-assembly","provider":"THE SPEED GUYS CANADA ","version":"1.0","type":"link"}