The RPM Transmissions Stage 4 heavy duty Corvette rear differential assemblies are available for all C5 or C5/Z06 and C6 or C6/Z06, GS Corvette applications 1997 - 2013. RPM Stage 4 series differentials are professionally built with only the highest quality parts to provide improved reliability and performance for street or track use. With a wide range of available ratios of ring & pinion sets you could replace a factory low ratio ring & pinion gear with a higher ratio gear set that can greatly increase performance. For some applications such as top speed vehicles you may need to go to a lower ratio set to correctly gear your Corvette for your particular driving needs. Prices shown are with core exchange. C5 Core charge is $1700. All Diffs are built to order and require 2-3 weeks for production. Please plan accordingly.
The Stage 4 Performance Differential Upgrade from RPM
All of our Stage 4 Differentials Include: *Media blast case *New seals *300M left shaft *300M 2-piece right shaft *Upgraded carbon clutch packs *HD preload springs *C6 Z06 pinion support *Wavetrac differential
*Performance Metal Micropolished gear of any ratio: Optional Cryogenic Processing: $100
2.73, 2.93, 3.15, 3.42, 3.73, 3.90, 4.10
Flat Rate Shipping:
Shipping is based on zones. If you have a question of what zone you are in, just give us a call, or drop us an email with your zip code. This cost includes the shipping to you and the shipping of the core coming back to us. This is to a business address or to a terminal using Fedex Freight or a few other carriers. Any additional charges such as limited access, residential delivery, liftgate, etc. will be the buyer's responsibility. Yellow zone = $249 normally 3-4 days Purple zone = $189 normally 2-3 days Red zone = $139 normally 1-2 days
Attn: Please Do Not
Ship your transmission in a plastic tote
Here at RPM we do not suggest that you ship your heavy parts in a plastic tote nearly half of the products that are shipped with this method get damaged in shipping. Due to the weight and size of a transmission and the handling procedures used by FedEx and UPS are not acceptable and result in damaged goods. When you are sending us your parts for repair or returning a product to us for repair please contact us and we can email or fax the paper work for shipping and inform you of the proper way to ship them. We prefer them to be on a wooden pallet banded or strapped tight with ratchet straps.
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