The HPP-11042 is the internal part number we use for this aftermarket 1.76 design 4340 shorty 27 spline Powerglide bolt-on output shaft. This is a replacement shaft to be used with the aftermarket bolt together planetaries that we sell and use in our builds, we normally use them in applications up to 1500 horsepower. This shaft can be used with the most common 1.76 style bolt together Powerglide planetary gear carriers and gear sets ratios that were based on the OEM 1.76 design (1.98, 1.96, 1.80, 1.76 and 1.69 planetary gear sets).
If you need a replacement bolt kit to secure your replacement output shaft to the bolt together gear carrier, check out our part number HPP-11041
If you have questions about the shaft or need assistance in determining if it is the right replacement for your application, feel free to contact us.