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Sonnax Heavy-Duty Main Shafts

Not Yet Reviewed

Main shaft failure is a common problem in performance and heavy-duty GM TH400, 4L80-E and 4L85-E units. Sonnax replacement heavy-duty main shafts are manufactured from high-strength 300M with proprietary heat treatment and post heat-treat processing for exceptional performance, durability and value. These shafts are recommended for applications up to 1,000 hp. Additional details: * Advanced torsional design with spline and cross hole refinements for additional strength * Direct replacement for OE shafts

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4L80E INTERMEDIATE / MAIN SHAFT / 300M

Part Number: SOX-34672-01

Not Yet Reviewed

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This is a custom order part. You can order this part by Contacting Us.