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Manley Performance Exhaust Valve - 11677-8

Brand: Manley Performance
0 reviews
  • Have a product question? Ask us
  • Part Number: 11677-8
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by July 17
Retail: $480.89
Price: $457.99
You Save: $22.90
Color
Silver
Engine Compatibility
Chevy Small Block LS Series
Finish
Polished
Head Diameter
1.60 Inch
Installed Height
Stock
Material
Stainless Steel
Quantity
Set Of 8
Stem Diameter
0.3136 Inch
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Manley Performance Exhaust Valve

Exhaust Valve; Severe Duty; For Use With GM LS1/ LS2 Engines; 1.60 Inch Head Diameter; 0.3136 Inch Stem Diameter; Stock Installed Height; XH-428 Stainless Steel; Set Of 8

MPN: 116778

The Severe Duty® series of valves is the Manley signature in the performance and racing industry. Exhaust material XH-428 and intake material NK-844 is offered by no competitor in the world. And no pair of materials show such clear dominance over all others. Ultimate tensile strength of XH-428 at 1500 Degree Fahrenheit is nearly double the competitors’ EV-8. At 1000 Degree Fahrenheit the Manley NK-844 displays more than four times the ultimate tensile of the competition’s best intake material.
Engine Compatibility: Chevy Small Block LS Series
Head Diameter: 1.60 Inch
Stem Diameter: 0.3136 Inch
Installed Height: Stock
Finish: Polished
Color: Silver
Material: Stainless Steel
Quantity: Set Of 8

Features

  • XH-428 Stainless Exhaust Material
  • NK-844 Stainless Intake Material
  • Swirl Polished And Machined
  • Intakes Are “Pro Flo” For Improved Flow
  • O.E. Style Radius Keeper Grooves
  • Limited 90 Day Warranty
Specifications of Manley Performance Exhaust Valve - 11677-8
Color Silver
Engine Compatibility Chevy Small Block LS Series
Finish Polished
Head Diameter 1.60 Inch
Installed Height Stock
Material Stainless Steel
Quantity Set Of 8
Stem Diameter 0.3136 Inch

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