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Part # 20-4197, DS-198976 - IBBLEWHITE Black Diamond Exhaust Nitrided 1.57" Exhaust Valve 58-85 XL

  • One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction
  • This process provides resistance to corrosion; wears superior to hard chromium and electrolysis nickel-plating
  • Lightweight with profiles that provide excellent flow characteristics
  • Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation
  • Made in the U.S.A.

PRODUCT NAME VALVE
APPLICATION EXHAUST
MODEL BLACK DIAMOND™
MATERIAL STAINLESS STEEL
HEAD DIAMETER 1.570"
STEM DIAMETER 0.3384"
TULIP ANGLE 29°
LENGTH 3.512"
UNITS EACH
RIDING STYLE STREET


Fits:

1983-1985 Harley-Davidson Sportster 1000 XLX
1983-1984 Harley-Davidson Sportster 1000 XR
1979-1985 Harley-Davidson Roadster 1000 XLS
1977-1978 Harley-Davidson Sportster 1000 XLT
1977-1978 Harley-Davidson Café Racer XLCR
1972-1985 Harley-Davidson Sportster 1000 XLH
1972-1979 Harley-Davidson Sportster 1000 XLCH
1958-1971 Harley-Davidson Sportster 900 XLCH
1957-1971 Harley-Davidson Sportster 900 XLH

Fitment catalogs are auto generated and are for reference only. Please look closely at pictures and decide condition and fitment for yourself.

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