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Sonnax Powerglide 1.58 Ratio 35 Spline Big Shaft Rear Sun Gear 15832-RSK

$329.53 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 best way to connect huge power to Sonnax 1.58/1.65 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 Sonnax Powerglide big shaft system. A 1.65 ratio kit 16532-RSK also is available.

  • Gear prepared to accept big input shaft’s fine-tooth rear spline
  • Custom, PTFE-coated thrust washer replaces sun gear thrust bearing
  • Gear Process Level: Extreme
  • Ratio: 1.58
  • Spline Tooth Count: 32