The Sonnax big shaft system for Powerglides requires changing to a 35-spline turbine hub.
$521.77 Each - Free Shipping
Stop worrying about input shaft failure when running the GM Powerglide in the most extreme applications. Sonnax offers the only big input shaft upgrade with custom components designed to work together for reliable performance. Whether you have an existing assembly or start from scratch in the gear ratio of your choice, it’s the best way to connect huge power to Sonnax 1.58/1.65 planetaries for great run after run with minimum downtime.
Short length, 27-spline extreme strength output shaft 28924-27S is one of the five components in the Sonnax Powerglide big shaft system. Top-notch engineering and precision manufacturing guarantee unrivaled performance and reliability. Also available in 27- and 32-spline long (OE) lengths, these are the same shafts built into complete Sonnax 1.58 and 1.65 planetary assembly kits.