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Part Number:
MAN-11661-8

LS Manley Severe Duty Exhaust Valves 1.590 11661-8

LS3 and L99 Chevy (L92 Head), Exhaust Valves, 1.590 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves.

$301.07
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Manley Performance is known as the leading manufacturer of performance and racing valves. The reason for their success is quality. Manley Severe Duty LS3 and L99 series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.
  • XH-428 Stainless Exhaust Material
  • NK-844 Stainless Intake Material
  • Chrome Stems and Hard Tips
  • Intakes are “Pro Flo” for Improved Flow
  • Swirl Polished and Machined
  • O.E. Style Radius Keeper Grooves
  • Intake Material NK-844 with 1000 Times Better Fatigue Strength than competitors’ offerings
  • More Information
    CNC Part Number MAN-11661-8
    Price $301.07
    Manufacturer's Part Number 11661-8
    Brands Manley
    Part Types Engine Valve
    Departments Parts
    Vehicle Make Chevy LS
    Gram Weight 94
    Installed Height Stock
    Stem Diameter 0.3136 (8mm)
    Tip Length .160
    Valve Head Diameter 1.590
    Overall Valve Length 4.923
    Valve Series Severe Duty
    Valve Type Exhaust
    Custom Notices ⚠ PROP 65 WARNING
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