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Triumph T140 1979-Later Valve Guides

Triumph T140 1979-Later Valve Guides MAP9105

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  • Triumph T140 1979-Later Valve Guides MAP9105
Triumph T140 1979-Later Valve Guides

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SKU Valve Guide Size Price Qty Add to Cart
MAP9105/STD Standard
MAP9105/001 +.001"
MAP9105/002 +.002"
MAP9105/004 +.004"
MAP9105/006 +.006"
MAP9105/008 +.008"
MAP9105/015 +.015"


Exclusive NASCAR '45'TM Material

A Proprietary Alloy as Designed for and used exclusively for NASCAR team is now available for your beloved British bike.  Under exclusive arrangement with the manufacturer,  MAP Cycle is proud to offer this material to our custmers.  NASCAR '45'TM is a proprietary Manganese bronze based alloy that (unlike its Ampco 45/C630 nickel loaded brothers) forms a long linear vertical grain structure for superior wear with an expansion rate similar to aluminum.  This similar expansion and highest amount hof heat dissapation allows for a tighter valve to guide clearance for not only longer life but also a more stable and accurate valve seating.

  • Helps eliminate pitting on seats and/or valve faces
  • Superior durability
  • CNC machined to exact specifications
  • Better heat dissipation compared to the popular AMCO 45/C630 materials
  • Expansion rate similar to aluminum (perfect for aluminum cylinder heads)
  • Honed internal finish for best oil retiention
  • Proven in Racing and on the street by enthusiasts across the globe

Exclusive Ringed Margins

No longer require different guides for sealed/unsealed applications. Remove a small bit of material and add our high temp viton oil metering seal (MAP9240). A true cost saver as No additional guides are needed if you happen to decide on using seals.

Constant research and development

M.A.P. NASCAR '45'TM valves guides are the absolute best guides available for street or track.  Etched with type and size for ease in identification.  Insist your dealer carry the very best British valve guide.  To be sure of the highest quailty possible remember to ask for them by name - Nascar '45'TM

Additional Information

Manufacture MAP Cycle
Country of Manufacture United States
Additional Information

Additional Information

Manufacture MAP Cycle
Country of Manufacture United States

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Fitment Information

Triumph Models

  • Triumph Bonneville 750 ES T140ES 1982
  • Triumph Bonneville 750 Electro T140ES 1980 - 1981
  • Triumph Bonneville 750 Executive T140 1980 - 1982
  • Triumph Bonneville 750 Executive T140ES 1983
  • Triumph Bonneville 750 Final Edition 1981
  • Triumph Bonneville 750 Harris 1983
  • Triumph Bonneville 750 Royal T140LE 1981 - 1982
  • Triumph Bonneville 750 Special T140D 1979 - 1981
  • Triumph Bonneville 750 T140E 1980 - 1982
  • Triumph Bonneville Harris 1984 - 1989
  • Triumph Bonneville TSX 750 T140TSX 1982 - 1983
  • Triumph Thunderbird 600 1983
  • Triumph Thunderbird 650 TR65 1981
  • Triumph Thunderbird 650 TR65T 1982
  • Triumph Tiger 750 TR7V 1980 - 1981
  • Triumph Tiger Trail 650 TR65 1982
  • Triumph Tiger Trail 750 TR7T 1981 - 1982
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