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> 914-6 901 trans. overhauled and modified for higher HP engines, Modified 901, side shift, billet Interm.plate, 110 mm flanges
T.Rick6
post Mar 30 2026, 08:32 AM
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From: Douglasville, Ga
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Hey teeners, build change so I have a modified 914-6 901 trans. for sale, built for larger HP engines (built to handle a 2.8 short stroke) 4k OBO plus shipping.
I purchased this trans from CogsCogs in 2020 for 3,500.00 in overhauled condition; they replated the hardware in yellow zinc chromate, replaced the engagement teeth for 1st and 2ed, replaced all syncro's, replaced the intermediate plate bearings.
Gear stack is A,GA,O,V,ZA.
After purchase I had the intermediate plate replaced with a billet one from CF ($1K)
Replaced the trans output flanges to 110mm ($500)
Replaced the stub axles to 110mm ($500)
Converted to side shift by replacing the internal shift rod and shift console retaining the 914-6 nose cone ($250).
Early hubs and wheel studs included.
Pictures available on request, I'm in the process of trying to resize pics, I will add later.
Thanks for looking (IMG:style_emoticons/default/beerchug.gif)

Todd





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T.Rick6
post Apr 3 2026, 11:14 AM
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Thanks Bruce for the picture; 110mm output flanges take the 108mm CV's that are found on the 85.5 to 89 911 or 911 turbo and I believe 928 late. CV's are about 100 bucks each and easy to find. I realize folks are a little nervous about the box being built by Joe Cogbill. I was present when I had him disassemble the gear stack to verify the ratio's and replace the intermediate plate as well as converting to side shift. I will guarantee the box is as advertised. If needed I can have Al Meredith take a look and verify. I personally have never had an issue with Joe Cogbill; I've been purchasing Porsche parts from him for well over 30 years and my dad used to buy from him back in the 356 days. I went with a 915 box due to my new engine is around 300hp otherwise I'd keep it.

Todd
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