DearChan Corvette Servo Piston Assembly for GM 700R4/4L60E/4L65E/4L70E (1982-2014) - High-Performance Upgrade
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Description
xUpgrade Your GM Automatic with a Corvette-Style Servo Piston Assembly
When tuning a GM automatic like the 700R4 family, small components can influence shift quality. DearChan’s Corvette Servo Piston Assembly is designed to provide a reliable upgrade that works with a wide range of models from 1982 to 2014. This kit emphasizes durability and practical, install-ready design to support consistent performance during everyday driving and weekend projects.
The kit combines durable materials with a complete, ready-to-install package, including a piston, upgraded cover, snap ring, and O-rings. You can install without disassembly, saving time during maintenance or rebuilds, and each part is selected and tested to meet OEM-style reliability. The assembly is crafted to endure regular gear changes and varying operating conditions without compromising sealing or seating accuracy.
Key benefits you may notice
- Quicker and firmer 1-2 and 3-4 gear changes with a broader engagement surface for improved holding power
- Increased torque capability in 2nd gear, supporting robust performance in daily driving or heavier loads
- Durable aluminum alloy, copper, and rubber construction for strength, sealing, and resistance to wear and corrosion
- All components assembled and tested to OEM standards for reliability and consistency
Below is what you receive and how it helps:
What’s included and how to use
- Corvette servo piston with upgraded cover for improved seating and stability
- Snap ring and O-rings to ensure a sealed, sensor-friendly fit
- Ready-to-install assembly designed to save time during maintenance or rebuilds
Why choose DearChan? Our parts balance performance with value, focusing on durable construction, precise fit, and practical benefits that can enhance your transmission’s response without promising specific results.
FAQ
Q: What transmissions is this Corvette servo piston assembly compatible with?
A: GM 1982-2014 700R4, 4L60E, 4L65E, and 4L70E transmissions.
Q: Is this a complete ready-to-install assembly?
A: Yes, it ships as a complete kit with piston, cover, snap ring, and O-rings.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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