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Triumph Exhuast Valve Black Diamond 1.37" Oversized

Triumph Exhuast Valve Black Diamond 1.37" Oversized MAP9159

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  • Triumph Exhuast Valve Black Diamond 1.37" Oversized MAP9159
Triumph Exhuast Valve Black Diamond 1.37" Oversized
MAP Cycle has 18 left in stock
MAP Cycle has 18 left in stock
$35.95
Specifically designed for Triumph twins, MAP's race-proven, Black Diamond, hard-coated stainless steel valves are far superior to stock valves. These 1.37" diameter oversized valves provide extended life and low friction. Fits 1966-later T00R and T100T and 1967- later T100C and T100S.
$35.95
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Description

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Race-proven durability!

Our MAP valves feature black oxide nitrating (a superior hardening process) which penetrates into the ultra-EV8 stainless steel core material, forming a super-hard outer layer. This "Black Diamond" finish adds surface hardness as well as a smoother exterior coating which greatly reduces friction. This reduction in friction allows for tighter tolerances (fit) and provides long-lasting durability.

  • These valves are vastly superior to factory valves and other so-called "performance" finishes such as hard chrome.
  • Our induction welded, heat-treated tip prevents mushrooming and eliminates the need for lash caps.

This 1.37 oversized exhaust valve fits:

  • 1966 and later T00R and T100T
  • 1967 and later T100C, T100S

Oversized Valves:

  • Our oversized valves (OS) are flow tested for maximum performance.
  • Oversized valves can also be used to rejuvenate sunken valve seats while correcting valve geometry.
  • The OS valve features relocated keeper locations to accommodate hi-lift racing cams and springs. This saves additional machining expense.

NOTE: Always be sure to check piston clearance before installing oversize valves

Additional Information

SKU MAP9159
Manufacture MAP Cycle
Valve Head Diameter 1.375"
Valve Material Black Diamond
Valve Size Type Oversize
Stem Diameter 0.3095"
Valve Length 3.445"
Tulip Angle 27º
Valve Type Exhaust
Additional Information

Additional Information

SKU MAP9159
Manufacture MAP Cycle
Valve Head Diameter 1.375"
Valve Material Black Diamond
Valve Size Type Oversize
Stem Diameter 0.3095"
Valve Length 3.445"
Tulip Angle 27º
Valve Type Exhaust
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Fitment Information

Triumph Models

  • Triumph Tiger 500 T100S 1967 - 1970
  • Triumph Tiger Daytona 500 T100R 1967 - 1975
  • Triumph Tiger Daytona 500 T100T 1967 - 1970
  • Triumph Trophy 500 T100C 1967 - 1973
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