In Dodge 47RE, 47RH and 48RE units, intermediate shaft failure is common as power levels are increased and long-distance towing applications. Sonnax extreme duty intermediate shaft 22171B-HD is specially heat-treated and processed for maximum strength and resistance to fracture.

This shaft features many unique refinements available only from Sonnax, including a torsional design that allows energy to be absorbed, reducing peak loads to critical areas. This shaft is suitable for any high-horsepower street, competition or towing application.

• Patented modifications to lubrication channel increase lube flow to prevent gear train meltdown
• Torsional design dissipates peak stress
• Rolled splines for increased durability
• Manufactured from 300M ultra high-strength steel for maximum strength and resistance to fracture