MANLEY 10721-8 Small Block Chevrolet Exhaust Valves

Set Of 8 Valves
  • 1.500" Head Diameter
  • .3415 11/32" Stem Diameter
  • 4.911"  Overall Length
  • .250" Tip Length
  • PRO FLO : 12 Degree x 3/8" Underhead Angle / Radius
  • 7 Degree Dish Head
  • .060 Margin
  • .100 Seat Width
  • 89 Gram Weight
  • XH-424 Stainless Material
  • Chrome Stems And Hard Tips
  • Swirl Polished And Fully Machined
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