Stop worrying about input shaft failure when running the GM Powerglide in the most extreme applications. 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 best way to connect huge power to Extreme planetaries for great run after run with minimum downtime. The 1.58 ratio big shaft rear sun gear kit 15832-RSK is one of the five components in the [Powerglide big shaft system] * Gear prepped to accept big input shaft's fine-tooth rear spline* Custom, PTFE-coated thrust washer replaces sun gear thrust bearing

Sonnax 15832-RSK Features:

• Gear Process Level: Extreme
• Ratio: 1.58
• Spline Tooth Count: 32

Sonnax 15832-RSK Includes:

• Rear Sun Gear
• Thrust Washer