GM Powerglide Transmission Planetary Gear Set - Short These can be used on

These can be used on std or aftermarket plenum manifolds

The outer case is made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life

quickest possible shift

or choke control to restrict airflow

These air cleaners come with paper filters

GM Powerglide Transmission Planetary Gear Set - Short These can be used onSpeedmaster planetary gear sets are ideal for modern big displacement engines. Speedmaster planetary gear sets have an extremely stout output shaft. The forged output shaft from the Speedmaster planetary gear sets offer excellent torsion memory, but it is near impossible to break! Speedmaster planetary gear sets are available in long and short versions. Speedmaster only offers planetary gear sets provide superior torque output for modern high output