About This Product
Gen V .660" Dual Valve Spring Kit
This Texas Speed Gen V .660" dual valve spring kit is designed specifically for LT-based engines, featuring PAC Racing valve springs, titanium retainers, and PRC integrated seat/seal technology. Built for durability, stability, and high RPM control, this kit is ideal for camshaft upgrades on Gen V truck and performance applications.
Part Number
- Texas Speed: TSP-LT1660SpringKit
Kit Includes
- PAC Racing Gen V dual valve springs
- Titanium retainers
- PRC integrated valve seats and seals
Product Features
- Designed specifically for Gen V LT engines
- Supports up to .660" valve lift
- PAC Racing spring technology for superior performance
- Nano-peened springs for increased strength and longevity
- Improved valvetrain stability at higher RPM
- Compatible with factory-style lifters
- Integrated seat/seal design helps prevent installation errors
- Includes high-quality titanium retainers
Engine Compatibility
- Fits GM Gen V LT-based V8 engines
- LT1: 6.2L
- L83: 5.3L
- L86: 6.2L
Specifications
- Installed Height: 1.900"
- Closed Pressure: 160 lbs @ 1.900"
- Open Pressure: 406 lbs @ .650"
- Open Pressure: 425 lbs @ .700"
- Maximum Lift: .660"
- Coil Bind: 1.09"
Common Applications
- Camshaft upgrades including Chopacabra LT cams
- DOD/AFM delete builds
- Performance street builds
- High RPM valvetrain setups
Performance Benefits
- Improved valvetrain control at higher RPM
- Supports aggressive camshaft profiles
- Increased durability and spring life
- Reduced risk of valve float
Important Fitment Notes
This spring kit is designed specifically for Gen V LT engines and must be matched properly to your camshaft and overall valvetrain setup.
- Designed specifically for Gen V LT engines
- Requires proper camshaft matching
- Factory valve locks are reused and are not included
- Verify installed height during installation
- Check coil bind and clearances
- Custom tuning required after camshaft installation
This kit is built to handle aggressive camshaft setups while maintaining durability, stability, and reliable valvetrain control.
Installation & Warranty ›
- Professional installation recommended
- Integrated seat and seal design simplifies installation
- Designed for high-performance Gen V LT valvetrain setups
- Covered by manufacturer warranty through Texas Speed & Performance
Note:
This spring kit is designed to handle more aggressive camshaft setups while maintaining durability and reliability. The integrated seat and seal design helps simplify installation and ensures proper fitment.
