At FWT we carry a comprehensive range of Starter Ring Gears for vehicle applications up to the late 1980's. Please refer to the following identification guide for stocking reference information.

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Part No. (example)      A         115         /         10         FR
                                    width    no.teeth           pitch      entry

Width Guide                                                            Entry Guide              
A  =  .3/8"                       E  =  .11/16"                     F    =  Chamfered for front pinion entry
B  =  .1/2"                       F  =  .3/4"                          R    =  Chamfered for rear pinion entry
C  =  .9/16"                    G  =  .7/8"                          FR  = Chamfered for front & rear pinion entry 
D  =  .5/8"                       S  =  Special                    NE  = No chamfer        BO  =  Bolt on