Manley Performance
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Manley Performance

Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit

SKU: MAN26362134KS

Manley LS and LT Valve Spring Kits provide a complete, ...Read more

Price:
$459.04
4590 ENTRIES10X

Backordered — usually ships in 15–30 business days

Not in stock right now. We order it from the manufacturer and email you if the date changes.

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

Product Description
Part Numbers
Sizing & Fit
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.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. 221436-167? Steel Retainer CNC machined to exacting tolerances and made of thru-hardened 4140 chromoly. Retainer No. 23621-16 (+.050" 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. 13098-16Viton Valve Stem Seals offer exceptional resistance to heat, chemicals, and oils. Seal No. 24042-16Note: Max. lift figures above may vary depending upon the cylinder head and installed height.
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.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. 221436-167? Steel Retainer CNC machined to exacting tolerances and made of thru-hardened 4140 chromoly. Retainer No. 23621-16 (+.050" 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. 13098-16Viton Valve Stem Seals offer exceptional resistance to heat, chemicals, and oils. Seal No. 24042-16Note: Max. lift figures above may vary depending upon the cylinder head and installed height.

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