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Manley

Manley Extreme Duty Exhaust Valve Set Chevy LS3 12357-8

Manley Extreme Duty Exhaust Valve Set Chevy LS3 12357-8

Regular price $482.35 USD
Regular price $643.14 USD Sale price $482.35 USD
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Manley Extreme Duty Valves are made out of XH-432 XtremeAlloy Material. Manufactured with chrome stems, hard tips, swirl polished and machined heads. They use OE style radius keeper grooves. 

  • Brand: Manley
  • Manufacturer Part Number: 12357-8
  • Type: Exhaust
  • Head Diameter: 1.600"
  • Stem Diameter: .3136"
  • Installed Height: .300 Longer
  • Overall Length: 5.215
  • Tip Length: .160
  • Underhead Angle / Radius: 25 Degree x 7/16"
  • Margin: .065
  • Seat Width: .115
  • Top of Head: 18 Degree Dish
  • Weight: 96g
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