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Manley 10550-1 - Manley Stainless Steel Performance Valves

Manley 10550-1 - Manley Stainless Steel Performance Valves
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Manley#660-10550-1

Budget Performance Intake Valve
  • Small Block Chevy
  • 2.020'' Diameter
  • 11/32'' (0.3415'') Stem Diameter
  • 4.911'' Overall Length (Stock)
  • Stainless Steel
  • 1/pkg.
      $11.99 Ships

    Manley 10550-1 - Manley Stainless Steel Performance Valves Details

    Intake Valves

  • Type: Intake Valve NK-840 Material
  • Head Diameter: 2.020''
  • Stem Diameter: 11/32'' / 0.3415''
  • Installed Height: Stock
  • Overall Length: 4.911''
  • Tip Length: 0.250''
  • Underhead Angle / Radius: 10° x 3/8''
  • Margin: 0.050''
  • Seat Width: 0.080''
  • Top of Head: 6° Dish
  • Weight / Grams: 109

  • Manley 10550-1 - Manley Stainless Steel Performance Valves

    Manley Stainless Steel Performance 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! Sold Individually or 8/pkg. Made in the USA!

    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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