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Manley

Manley Severe Duty Exhaust Valves Chevy LS3 11661-8

Manley Severe Duty Exhaust Valves Chevy LS3 11661-8

Regular price $360.38 USD
Regular price Sale price $360.38 USD
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Manley Severe Duty Valves are made with XH-428 Stainless. They feature chrome stems, hard tips, swirl polished, and machined heads. The intakes are PRO FLO for improved flow. They also use a OE style radius keeper grooves.

  • Brand: Manley
  • Manufacturer Part Number: 11661-8
  • Type: Exhaust
  • Head Diameter: 1.590"
  • Stem Diameter: .3136"
  • Installed Height: Stock
  • Overall Length: 4.923"
  • Tip Length: .160"
  • Underhead Angle / Radius: 25 Degree x 7/16"
  • Margin: .070
  • Seat Width: .115
  • Top of Head: 18 Degree Dish
  • Weight: 94g
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