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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)
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For more information, visit www.P65Warnings.ca.gov.
Line Pressure Booster Kit S74507Tka Fits Gm 4L60 (700-R4) And 200-4R Transmissions. 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 Harshness; Improved Band And Clutch Holding Capacity For Increased Durability; Progressive Pressure Increase As Driving Conditions Become More Demanding; All The Benefits Of Increased Line Pressure Without Overloading The Pump At Idle; Drop-In Zip Valve Parts Install Quickly And Easily
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 vehicles are compatible with the Sonnax 700R4 Boost Valve and Spring Kit?A: The Sonnax 700R4 Boost Valve and Spring Kit is designed specifically for GM 4L60 (700-R4) and 200-4R transmissions, making it an ideal upgrade for these vehicle models.
Q: How does the Sonnax boost valve kit improve transmission performance?A: This kit enhances transmission performance by providing a progressive pressure increase that adapts to driving conditions, resulting in shorter shifts and improved clutch and band holding capacity without introducing low-speed harshness.
Q: Is installation of the Sonnax boost valve kit difficult?A: No, the Sonnax boost valve kit features Drop-in Zip Valve parts that allow for quick and easy installation, making it accessible for those with basic mechanical skills.
Q: What materials are used in the Sonnax 700R4 Boost Valve and Spring Kit?A: The kit is made from high-quality metal materials, ensuring durability and effective performance in enhancing line pressure for your transmission.
Q: Will using this kit overload my transmission pump at idle?A: No, the Sonnax boost valve kit is designed to provide increased line pressure without overloading the pump at idle, ensuring smooth operation across all driving conditions.
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