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John's Industries 3RD Member Bolt Through Aluminum Assembly

Aluminum Cases from 206-T4 aluminum with 7075-T6 aluminum caps and billet steel adjusters. A super strong through-bolt design to give the case increased  strength and decreased ring gear deflection common in most aluminum cas designs. The all bolt-through aluminum cases are drilled for a 3/8 stock pinion studs and 7/16 heavy-duty studs. The aluminum cases are also designed to be used with either a standard pilot bearing utilizing button head bolts for retention is available. Bolt-through aluminum performance cases weigh only 16 lbs., 15 lbs. lighter than John's Industries Nodular Iron Cases. All Cases are CMM checked for machining accuracy and are supplies with all Grade 8 hardware.  

All John's 3rd Members include:

  • Complete 9 Inch Ford Centers
  • Choice of Gear Ratios - See Below
  • 2.50 and 2.75 are Take Out Gears

 

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