At last, a strengthened side plate for the early aluminum case transmissions!  Fits all vintage Porsche 911 and 912 short wheel base cars 65-68 (some early 69).  With the ever so increasing power of today’s race engines and the stick of today’s tires you are starting to put some serious stress on your original cast side cover, especially under track conditions.  As the side cover acts as a thrust plate, under load there can be a tremendous force applied to it, and it can break sometimes causing damage the ring and pinion-or worse.

Upgrading to a billet side plate will add significant strength and reliability to the differential section

  • Precision machined from aircraft grade billet aluminum to exacting standards for perfect fit and function
  • Oil passageway for standard taper roller bearing
  • Removable billet clutch cable bracket
  • Uses rubber o-ring instead of paper gasket (part 113.301.185a)

*Note: The cover is thicker than the original and therefore requires longer studs to be installed which are INCLUDED

CMS 901 Billet Side Cover

$329.00Price

(805) 439-1414, (805) 440-9849

404 Tulare Ave. Morro Bay, CA 93442

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