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  See more parts for Cadillac Escalade
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Texas Speed & Performance Gen 5 LT1 | L83 | L86 .660" Spring Kit Cadillac | Chevrolet | GMC 1997-2022 - PRC-TSPLT1660SpringKit
The all new TSP Gen 5 LT1/L83/L86 .660" spring kit featuring PAC valve springs and PRC integrated seat/seal is the newest offering in valve spring technology offering the latest processes and material for maximum spring life. PAC Racing is a leader in valve spring technology, so it was only natural to team up with the best in the valve spring industry for our latest offering in a valve spring kit! The dual valve springs used in this kit feature a proprietary spring that was developed specifically for the Gen 5 6.2L LT1 engine that requires a taller installed height than the typical LS engine. These are NOT the same springs used in our LS dual valve spring kits, but they do use the same technology and polishing technique that is exclusive to PAC Racing valve springs! We have developed a .660" dual spring kit with the help of PAC Racing that still offers excellent valvetrain control, even for the more aggressive hydraulic roller camshafts. These valve springs will offer excellent durability and stability and will work well with factory-style lifters. PAC uses a proprietary process called nano-peening that increases the residual stress of the wire, meaning that it compresses the molecules together very tight to help the molecular bond hold better. This greatly reduces the chances of spring fatigue and failure. Our kit also includes the patent-pending Precision Race Components integrated valve seat and seal that makes for a very easy installation without any possibility of mis-installation or tearing of the valve seal!

TSP Gen 5 LT1/L83/L86 .660" Dual Spring Kit w/ PAC Springs, Titanium Retainers, & PRC Integrated Seat/Seal



Features:
  • Kit includes:
    • PRC Integrated Spring Seats & Valve Seals
    • PAC Racing Gen 5 LT1-Specific Polished Dual Valve Springs and Titanium Retainers (utilizes GM factory valve stem locks, not included)


Specification:
  • Install Height: 1.900"
  • Closed Spring Pressure: 160 lb. @ 1.900" Installed Height
  • Open Spring Pressure: 406 lb. @ .650" lift, 425 lb. @ .700" lift
  • Recommended Maximum Spring Lift: .660"
  • Coil Bind 1.09"


Fitment:
  • Cadillac Escalade 2015-2019
  • Chevrolet Silverado 1500 2014-2022
  • Chevrolet Suburban 2015-2022
  • Chevrolet Tahoe 2015-2022
  • GMC Sierra 1500 2014-2022
  • GMC Yukon 2015-2022
  • Universal Retrofit 1997-2018
Note:
  • Competition Use Only, Not Legal for Road Use
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2015-2019
 Cadillac Escalade
2014-2022
 Chevrolet Silverado 1500
2015-2022
 Chevrolet Suburban
2015-2022
 Chevrolet Tahoe
2014-2022
 GMC Sierra
2015-2022
 GMC Yukon

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ABOUT TEXAS SPEED AND PERFORMANCE

Texas Speed and Performance began as a small business in 2003. Texas Speed and Performance is situated in Georgetown, Texas, and is a leader in the LSx sector. Texas Speed & Performance has quickly established itself as one of the largest performance makers and retailers of premium LSX and LT1 packages in the United States. Texas Speed and Performance founders, Trevor Doelling and Jason Magnum, have a combined 30+ years of experience in the high-efficiency sector and are constantly striving to research and manufacture the highest quality performance goods for your car. This is accomplished by putting their products through their paces on their in-house futuristic super flow engine dyno. Texas Speed and Performance components can be found in some of the fastest street and competition automobiles in the country.

WHY CHOOSE TEXAS SPEED AND PERFORMANCE?

Texas Speed and Performance provides all levels of aftermarket performance products from LSx and 2014+ 6.2L LT1/LT4 performance parts, aftermarket cast cylinder heads, basic air induction exhaust, camshafts, stroker engines and in-house machining of all their engines. They are one of the largest LSx and 2014+ 6.2L LT1/LT4 specific shops in the country. Owing to their in-house cylinder head manufacturing, engine assembly, and camshaft grinding facility, they assist customers with all of their high-performance LSx and 2014+ 6.2L LT1/LT4 needs and requirements.

TEXAS SPEED AND PERFORMANCE PRODUCT LINE

Texas Speed and Performance Exhaust offers camshafts, short and long blocks, turn-key engines, valvetrain, crankshafts, rods, and aftermarket cylinder heads.

VIVID RACING-TEXAS SPEED AND PERFORMANCE

The Texas Speed and Performance products at Vivid Racing include the Texas Speed and Performance Stage 4.2 LS7 Camshaft Chevrolet Camaro, Corvette 2006-2015, which has fitment for the Chevrolet Camaro 2012-2015 and Chevrolet Corvette 2006-2013 models.

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