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 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 Sonnax 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

More From This Category

RTS OE Automatic Transmission Modulator Valve, Ford Late C4/C5/ C9/C10, Push In , Adjustable Green Stripe , Each

RTS OE Automatic Transmission Modulator Valve, Ford Late C4/C5/ C9/C10, Push In , Adjustable Green Stripe , Each

$61.95

Motive Gear Differential Pinion Bearing Kit, Timken, For JEEP WRANGLER 2007–2018, Kit

Motive Gear Differential Pinion Bearing Kit, Timken, For JEEP WRANGLER 2007–2018, Kit

$154.84

PHC Clutch Bearing, Release, For Honda S2000 2.0 Ltr 16V VTEC, F20C1, 176kw 6 Speed, 8/99-3/02 1999-2002, Each

PHC Clutch Bearing, Release, For Honda S2000 2.0 Ltr 16V VTEC, F20C1, 176kw 6 Speed, 8/99-3/02 1999-2002, Each

$274.62

Motive Gear Differential Master Bearing Kit, Koyo, Suit Early 9 Inch Ford, 2.891 x 1.625" LM501310 & LM501349 Std Pinion Support

Motive Gear Differential Master Bearing Kit, Koyo, Suit Early 9 Inch Ford, 2.891 x 1.625" LM501310 & LM501349 Std Pinion Support

$188.38