Black Diamond Replacement Valves for Sportster (1970 to 1983)

Goodson Tools & Supplies

  • Black Nitroneg stems
  • One piece forged stainless steel valves impregnated with a special German process to improve wear properties and reduce friction
  • Provide resistance to corrosion and wear superior to hard chromium and electrolysis nickel plating
  • Single Groove valves
  • See Specifications Below

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Order No. Description Price Quantity
20-4196 Intake | 1.935" Head Dia. | 0.3090" Stem Dia. | 0.256 Tulip Radius | 23º Tulip Angle | 3.620" OAL | Replaces HEV-5 $17.31
20-4167 Intake | 1.950" Head Dia. | 0.3090" Stem Dia. | 0.256 Tulip Radius | 23º Tulip Angle | 3.690" OAL $25.90
20-4196-1 Intake | 2.000" Head Dia. | 0.3090" Stem Dia. | 0.256 Tulip Radius | 23º Tulip Angle | 3.620" OAL $20.56
20-4197 Exhaust | 1.570" Head Dia. | 0.3384" Stem Dia. | 0.236 Tulip Radius | 29º Tulip Angle | 3.512" OAL | Replaces HEV-3 $17.31
20-4197-1 Exhaust | 1.630" Head Dia. | 0.3384" Stem Dia. | 0.236 Tulip Radius | 29º Tulip Angle | 3.512" OAL $25.90
20-4168 Exhaust | 1.750" Head Dia. | 0.3384" Stem Dia. | 0.236 Tulip Radius | 29º Tulip Angle | 3.620" OAL $25.90
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