Manley Performance LS & LT NexTek? valve spring kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these all-inclusive kits, featuring premium springs, retainers, I.D. locators, locks, and Viton? seals.
Features
- 7 Titanium Retainer CAD designed for ultimate reduction in mass without sacrificing strength. Retainer No. 23623-16 (Std. Installed Height)
- I.D. Valve Spring Locator is CNC machined, heat treated, and black oxide finished. Locator No. 42334-16 (.505" ID)
- 7 Machined Valve Locks use the highest quality steel alloy and are heat treated and black oxide finished. For 8mm (.3135") valve stem. Lock No. 13098-16
- Viton Valve Stem Seals offer exceptional resistance to heat, chemicals, and oils. Seal No. 24042-16
- Note: Max. lift figures above may vary depending upon the cylinder head and installed height.
- NexTek Valve Springs are manufactured from "super clean" Hi-Tensile Chrome Silicon steel and shot-peened to MIL spec for maximum fatigue life. Spring No. 221436-16
- Manley LS and LT Valve Spring Kits provide a complete, engineered solution, ensuring seamless compatibility for higher-lift camshafts and eliminating concerns with mismatched components.
Specs
- Max Lift: 0.660"
- 7° Titanium Retainer (+.050)
- I.D. Spring Locator (.505")
- 7° Machined Valve Lock
- Viton Valve Stem Seals
- Manley LS Valve Spring Kit, KIT-SPRING/RETAINER/LOCATOR/LOCK/SEAL
- Weight: 93
- Valve Spring Series: NexTek?
- Valve Spring Type: Double Without Damper
- Valve Spring Coil Bind Height: 1.100
- Valve Spring Rate: 379
- Valve Lift - Maximum: .660
- Installed Pressure and Height: 155 @ 1.810
- Open Pressure and Height: 405 @ 1.150
- Valve Lock Angle: 7
- Finish: Fully Polished
- Industry: Automotive
- Out of Stock Message: Call for Availability
- Title: Manley Valve Spring Kit - Chevrolet LS - NexTek? Springs/Steel Retainers/I.D. Locators/Machined Valve Locks/Viton Seals
- Prop 65 Yes/No: Yes
- Prop 65 (C, R or CR): CR
- Prop 65 - Short Label: Prop 65 Warning Label.JPG
- Engine Type: ICE
- Make: Chevrolet
- Engine: LS
