Manley 11863-1 - Manley Performance Valves

Manley 11863-1 - Manley Performance Valves

Manley #660-11863-1

Race Master Valve
  • Type: Exhaust
  • Length: Standard
  • Head Diameter: 1.600"
  • Stem Diameter: .3415"
    • $16.99 Ships
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    Manley 11863-1 - Manley Performance Valves

    Manley 11863-1 - Manley Performance Valves

    Sold individually, all Manley valves are held to the highest standards. Swirl-polished heads, chromed stems, and hardened tips provide the advantage you expect from America's premier valve manufacturer.

    Budget Performance Replacement
  • For stock rebuild or mild performance applications
  • Superior to OE construction in every aspect

    Street Flo
  • For street/strip applications
  • Fully-machined combustion faces and necked-down stems

    Street Master
  • For bracket racer engines and street performance
  • Straight stems provide extra meat for outstanding durability

    Race Flo
  • For mild drag or circle track engines and street performance
  • Necked-down stems for less weight and more flow

    Race Master
  • For mild drag or circle track engines and street performance
  • Similar to Race Flo valves except with straight stems

    Pro Flo
  • For drag, circle track, and hot street engines
  • Stainless steel undercut design for less weight and up to 40% more flow

    Severe Duty
  • For applications with high spring pressures and high RPM
  • One-piece stainless steel design

    Extreme Duty
  • For drag racing applications with 8000+ RPM
  • Offshore powerboat and Hi performance marine applications
  • Also, for engine builders using EV-8, high performance street, bracket racers, oval track and sportsman racers

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