Drivetrain› Differentials and Rear-End Components

RPM Transmissions

Stage IV Differential with Wavetrac Unit

$2,995.00

SKU: diff-stg-4-C6A6

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Overview

The RPM Transmissions Stage IV differential is a performance upgrade for the 2006-2013 Chevrolet Corvette. It features a media blasted transmission case, a seal and gasket kit, and 300M stub shafts.

This differential also includes a Wavetrac differential, a C6 Z06 pinion support, and a performance metal micropolished ring and pinion. Various gear ratios are available, including specific options for C6 Z06/ZR1 models.
Show original supplier description
The RPM Transmissions Stage IV differential is a high-performance upgrade designed specifically for the 2006-2013 Chevrolet Corvette. This differential build includes a media blasted transmission case for durability and a complete seal and gasket kit. For enhanced strength and reliability, it is equipped with a 300M left stub shaft and a 300M 2-piece right stub shaft. The core of this upgrade is the Wavetrac differential, known for its traction-enhancing capabilities, paired with a C6 Z06 pinion support for improved stability. Customers can select from a range of gear ratios, including 2.56 (30 spline), 2.73, 3.15, 3.42, 3.73, 3.90, and 4.11. Specific ratios of 3.42, 3.90, and 4.11 are exclusively available for C6 Z06/ZR1 models. The package is completed with a performance metal micropolished ring and pinion set, optimized for power and efficiency.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRPM Transmissions
Part Numberdiff-stg-4-C6A6
CategoryDrivetrain
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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