22121B-02K - 47RE 48RE Transmission Sonnax Smart-Tech® High Capacity Input Shaft & Piston Kit
47RE 48RE Transmission Sonnax Smart-Tech® High Capacity Input Shaft & Piston Kit 22121B-02K
Based on the ultra-durable, one-piece Sonnax heavy duty input shaft 22121B-01 for Chrysler 47RE, 47RH, and 48RE units, the Smart-Tech high capacity input shaft and piston kit 22121B-02K has a hub with longer direct (front) clutch splines. Combining longer splines with a thinner billet aluminum direct piston allows for one extra (OE-thickness) direct friction plate, while keeping OE-thickness steels, backing plate, OE waved retaining ring and OE clutch clearances.
Some common aftermarket modifications designed to include extra clutches require reduced steel thickness and decrease the heat absorption capacity of the clutch pack, others reduce clearance and eliminate the waved retaining ring, which contributes to excessive 2-3 shift overlap. The Sonnax kit avoids these problems by increasing the number of frictions from five to six, adding to the steel mass of the clutch pack, and maintaining the OE thickness backing plate and clearances for the optimum combination of increased capacity and durability.
Kit increases direct clutch capacity by 20%
Made from forged 300M steel
Heavy-duty, one-piece design eliminates weak connection between input shaft and forward clutch hub
No change to backing plate thickness or retaining ring
Contents
Steel Clutch Plate .068" with Missing Lugs
Direct Clutch Piston with Anti-Rotation Tabs
Input Shaft with Extended Hub
Earn Up to 1060 Transparts Reward Points.
47RE 48RE Transmission Sonnax Smart-Tech® High Capacity Input Shaft & Piston Kit 22121B-02K
Based on the ultra-durable, one-piece Sonnax heavy duty input shaft 22121B-01 for Chrysler 47RE, 47RH, and 48RE units, the Smart-Tech high capacity input shaft and piston kit 22121B-02K has a hub with longer direct (front) clutch splines. Combining longer splines with a thinner billet aluminum direct piston allows for one extra (OE-thickness) direct friction plate, while keeping OE-thickness steels, backing plate, OE waved retaining ring and OE clutch clearances.
Some common aftermarket modifications designed to include extra clutches require reduced steel thickness and decrease the heat absorption capacity of the clutch pack, others reduce clearance and eliminate the waved retaining ring, which contributes to excessive 2-3 shift overlap. The Sonnax kit avoids these problems by increasing the number of frictions from five to six, adding to the steel mass of the clutch pack, and maintaining the OE thickness backing plate and clearances for the optimum combination of increased capacity and durability.
Kit increases direct clutch capacity by 20%
Made from forged 300M steel
Heavy-duty, one-piece design eliminates weak connection between input shaft and forward clutch hub
No change to backing plate thickness or retaining ring
Contents
Steel Clutch Plate .068" with Missing Lugs
Direct Clutch Piston with Anti-Rotation Tabs
Input Shaft with Extended Hub
Manufacturer | Sonnax |
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