This is an M20 WIDE RATIO Muncie 4 speed, for 1969 Z28 CAMARO, and is a correct FIT for other 1969 GM applications as well. This has a 10 spline input and 27 spline output. All internal gears GENUINE O.E. Case is 3925660 and contains NO vin or production date, extension is 3857584, shift cover is 3950306. ALL CASTING NUMBERS CORRECT FOR 1969 Z28. Everything in this unit, such as bearings, brass, sliding clutch's, shift forks, seals, bushing, countershaft and bearing retainer are, BRAND NEW. If you need a wide ratio ORIGINAL O.E. Muncie for your 1969 Z28, or other 1969 GM application, you won't find a better one. 12 month NON ABUSE warranty on this unit. Case Coding to make a unit "Numbers Matching" to your application is available, CALL TOLL FREE for details and pricing. Questions? Call our HELP line TOLL FREE 1-877-614-4327 Monday thru Friday 8:00 a.m. to 5:00 p.m.
Note: This unit is in stock ready to ship after we receive your tire and ratio information so that we can install correct speedometer gearing.