C2 and C3 Corvettes are some of the coolest cars ever made, but like any awesome car they have their flaws. Being way up in age and with lots of hard miles on parts that lots of people don’t think about, keeping the driveline up to snuff with the modern horsepower you are making is important. That’s why Mark Williams Enterprises C2/C3 Corvette Inner Yoke Shafts are the answer to keeping your Corvette happy on the street and strip.
With pretty wimpy 17-spline factory inner yoke shafts, it does not take much power or aggression to bust parts back there. Once you do that, the problems escalate. The solution are these 30-spline, one-piece shafts made of 300M that are splined into either freshly supplied side gears that you install or a new Eaton carrier that’s all ready to drop in which Mark Williams also offers.
Don’t bust old factory parts with your killer C2/C3 Corvette. Step up every part of your car and do it with the right parts!
Check out the full story from Mark Williams Enterprises below – Beef Up Your Corvette –
C2/C3 Corvette Inner Yoke Shafts
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The C2 and C3 Corvette differentials come from the factory with a 17-spline inner flange yoke that can be prone to failure. Our solution is to upgrade the rear by modifying a stock Corvette posi-traction carrier with 30-spline side gears and adding a one-piece 300M 30-spline inner flange yoke shaft that eliminates the bolt-on flange yoke.
- 300M forging, double heat treated and shot peened
- Increased strength with 30-tooth involute profile spline
- Removable billet u-joint caps with studs and ARP® nuts
- Uses standard GM c-clip to retain yoke shafts
- 100% machined and produced in house, in the USA
Part Number 50245 – C2/C3 Corvette Axles, Inner Yoke Shaft (stock differential)
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Modified C2/C3 Corvette Eaton Posi-Traction
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| To upgrade the stock Corvette rear to use our 30-spline Inner Yoke Shafts, the posi-traction is modified by slightly increasing the bore size and using a 30-spline axle gear that is common to the 12-bolt GM passenger car posi-traction units. A simple machining operation to the posi-traction case is required. Instructions are provided for the modifications, but new, modified Eaton™ posi-traction units, with the 30-spline side gears, are available to save you time and assure the job is done right.
Part Number 19670-MOD |
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