Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Line Pressure Booster Kit4L80-E, 4L85-E Valve Sleeve Pressure Regulator Spring O-Rings (2)Sonnax Hydraulic Line Pressure Booster Kits Contain Stronger Pressure Regulator Springs And Large Ratio Boost Valves Designed To Work Together To Provide Progressive Pressure Increases As Driving Conditions Become More Demanding.Our Pressure Regulator Springs Are Approximately 10 Stronger Than Oe And More Conservative In Impact Than Other Aftermarket Kit Springs. Large Ratio Boost Valves Provide Higher Pressure Incrementally And When It Is Needed The Most. The Combination Of These Springs And Valves In A Sonnax Kit Gives You The Best Of Both Worlds: A Modest Pressure Increase At The Low End, With A High-End Pressure That Is Equal To Or Greater Than That Of Other Aftermarket Kit Springs.Achieve Shorter Shifts And Increased Torque Capacity Without Creating Low-Speed Harshnessimproved Band And Clutch Holding Capacity For Increased Durabilityprogressive Pressure Increase As Driving Conditions Become More Demandingall The Benefits Of Increased Line Pressure Without Overloading The Pump At Idlesimple And Affordable Drop-In Solution With No Special Tools Or Reaming Required.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What components are included in the Line Booster Kit?A: The Line Booster Kit includes a valve, sleeve, pressure regulator spring, and two O-rings. This kit is designed for improved line pressure in vehicles.
Q: What is the model number of the Line Booster Kit?A: The model number for the Line Booster Kit is SNX-4L80E-LB1. This identification helps in ensuring compatibility with your vehicle's transmission.
Q: Is the Line Booster Kit suitable for all vehicles?A: No, the Line Booster Kit is specifically designed for the 4L80-E and 4L85-E transmissions. Make sure your vehicle has one of these models.
Q: How do I install the Line Booster Kit?A: Installation is straightforward as a drop-in solution requiring no special tools. Simply replace the existing components with those included in the kit.
Q: Will this kit improve my vehicle's performance?A: Yes, the kit is designed to achieve shorter shifts and increased torque capacity. You'll notice a performance boost without low-speed harshness.
Q: Can I install this kit myself?A: Yes, the Line Booster Kit is designed for easy installation without any special tools or reaming required. Anyone with basic automotive skills can do this.
Q: What precautions should I take when using the Line Booster Kit?A: Ensure that you follow all installation instructions carefully. Overloading the pump at idle should be avoided for optimal performance.
Q: How do I maintain the Line Booster Kit?A: Regularly check for leaks and ensure all components are functioning properly. There's no special maintenance required beyond standard vehicle upkeep.
Q: Is the Line Booster Kit safe for my vehicle?A: Yes, it is designed to enhance performance while maintaining safety. It provides a progressive pressure increase without overloading the pump at idle.
Q: What if the kit does not fit my vehicle?A: If the kit does not fit, you may return it according to the seller's return policy. Ensure you have the correct model before purchasing.
Q: Does the Line Booster Kit come with a warranty?A: Yes, the Line Booster Kit typically comes with a warranty. Check with the manufacturer or seller for specific warranty details.
Q: How does this kit compare to other aftermarket kits?A: The Line Booster Kit features stronger pressure regulator springs and large ratio boost valves, offering a more progressive pressure increase than many competitors.
Q: Is the installation process complicated?A: No, the installation process is simple and does not require any special tools. It's designed for ease of use by automotive enthusiasts.
Q: What performance benefits can I expect from this kit?A: You can expect increased durability, improved band, and clutch holding capacity, along with a modest pressure increase at low speeds.
Q: What should I do if I encounter issues during installation?A: If you encounter issues, consult the installation instructions or contact customer support for assistance. They can provide troubleshooting tips.
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