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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
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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 22 reviews
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Product Reviews
★★★★★ 5
Excellent wire! Flexible and easy to solder.
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
This wire is great! I echo the other reviews indicating that the insulation and wire are very flexible and easy to solder. I have had wire that makes you question your ability to solder. Then there is wire like this that makes it so easy!
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Reviewed in the United States on July 8, 2025
★★★★★ 4
Quality affordable
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
Quality product at a great price.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Best wire on Amazon
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
I am convinced that this is some of the best wire on Amazon, if not in general. It's much thicker with more strands inside than other wire labelled as the same AWG. It has much higher quality insulation that can withstand double the temps of the cheaper stuff (big deal if using in engine bay etc.). And even then somehow its supper supple and soft to work with, strips very easily and cleanly. Definitely recommend spending the extra $ to go with BNTECHGO brand for wire. I was very please with both the 12 and 14 AWG wire in 10ft red and black.
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Reviewed in the United States on August 13, 2024
★★★★★ 5
As advertised
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
As advertised
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Flexible, soft, and full of wire.
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
Super-soft and flexible casing with a high density of fine wires inside. You won't have to worry about it being 90% insulation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2025
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