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Description
Texas Speed and Performance .660" PAC Polished Dual Valve Spring Kit | Titanium RetainersLSX Performance Parts proudly supply the very best in performance valve springs for your build. Our Texas Speed and Performance spring kit features the very best & most trusted brand in valve train components PAC Racing . 660" lift dual polished valve springs. The PAC . 660" lift polished springs kit features the latest technology in valve springs which ensures maximum spring life with its superior design & material integration. The PAC polished dual
LSX Performance Parts proudly supply the very best in performance valve springs for your build. Our Texas Speed and Performance spring kit features the very best & most trusted brand in valve train components - PAC Racing .660" lift dual polished valve springs.The PAC .660" lift polished springs kit features the latest technology in valve springs which ensures maximum spring life with its superior design & material integration. The PAC polished dual valve springs have a max lift of a huge .660" lift.
These valve springs are designed to ensure excellent durability and longevity. These springs will work well with factory-style lifters (Highly recommend upgrading to LS7 lifters).
PAC polishes the valve springs, which helps to increase the overall life of the springs. This greatly reduces the chances of spring fatigue and failure. PAC's polishing process is completed without losing any pressure in the valve springs to maintain all of the capabilities of the non-polished version.
We recommend a set of aftermarket performance lifters to suit this package as the standard lifters are not recommended.
Your New LSX .660" Polished Dual Valve Springs Kit Includes
- LSX .660" Lift Polished Dual Valve Springs;
- Titanium Retainers;
- Spring Seats;
- Valve seals;
Your New LSX .660" Polished Dual Valve Spring Specs
Install Height 1.810"
Closed Spring Pressure 160lb @ 1.810" Installed Height
Open Spring Pressure 415 lb @ .660" Lift
Maximum Spring Lift .660"
Coil Bind 1.015"
Want More Information On Our LSX .660" Polished Spring Kits?
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 1
Sketchy
I bought this 2 pack and activated it for use in a remote device, not a cell phone.
Activating it on the phone with T-Moble is easy enough. You will need to tell them the devices IMEI number, the zip code where service will be used, and the SIM Card Number printed on the SIM card.
They charge a $5 activation fee along with the first month's payment for whatever data plan you choose. The minimum you could choose is a 2GB/month plan for $10/month with automatic activation.
(I wish I had read the details on the product more closely. I made the mistake of seeing some value in "pre-paid". There is NOTHING PRE-PAID about this card.
Plus the customer service seems a bit sketchy. On my first call I didn't have the IMEI device number. When I explained that I'd have to call back, the tech tried several different ways to press me for the SIM card number and other details to speed up the process when I called in again. That seemed odd since he wasn't able to create an account for me in the system without all of the information and the $5 activation fee. So, despite being a catch-22 he kept trying to get the SIM card number.
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Reviewed in the United States on July 26, 2024
★★★★★ 5
Flexible T-Mobile Connectivity - Twin Pack
Get two authentic, official T-Mobile SIM cards in one package, offering great value 📶✌️. Versatile 3-in-1 design fits Nano, Micro, and Standard SIM slots, ensuring compatibility with a wide array of devices 📱. Supports 2G, 3G, and 4G LTE networks for broad coverage. Suitable for both T-Mobile prepaid and postpaid plans, giving you flexibility. These unactivated starter kits are ready for talk, text, data, and hotspot setup 👍.
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Reviewed in the United States on May 29, 2025
★★★★★ 4
No se pudo activar, pero fue culpa de servicio al cliente.
Compré la tarjeta porque muchas compañías no querían activar mi celular chino, un Xiaomi Note 12 Pro+ 5g, y cuando lo puse dentro de mi celular pude llamar perfectamente al servicio de activación donde me pusieron mil excusas sobre que mi celular chino no funcionaba y no iba a funcionar y me desactivaron mi tarjeta SIM de Amazon, fui físicamente a una sucursal y me atendieron mucho mejor y me activaron una SIM literalmente igual a ésta, y ahora estoy con internet perfectamente funcional con un plan prepago como la de esta tarjeta. Bien producto, terrible servicio al cliente.
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Reviewed in the United States on August 1, 2025
★★★★★ 5
Great
Activated sim to iPhone SE without a problem.
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Reviewed in the United States on April 17, 2026
★★★★★ 3
Not the best
One of the sim card wernt able to be activated
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Reviewed in the United States on June 22, 2024