462 Series - Performance 7mm Valve Guide and Spring Sets
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Performance 7mm Valve Guide and Spring Sets

462 Series



The Ultimate Valvetrain Kit
, from BCS: Lighten up your valve train and increase flow for more performance, with these complete kits made in the the USA by Kibblewhite Precision Machining and stocked by British Cycle Supply! Take advantage of our high performance Megacycle cam's extra lift and duration by adding these matched components, and feel your Triumph fly.

Valves are available in Black Diamond impregnated stainless steel, or Tensilite Titanium, and collars are available in alloy or titanium. How fast do you want to go? Decide how much you want to spend! Kits available from BCS:

#462-20 - Triumph 650/750 Unit Twins
#462-21 - Triumph 500 Unit Twins

Kibblewhite Precision Machining Inc. has been designing, manufacturing, testing, and providing the performance community with the fastest and finest valvetrain components for 70 years. Using state of the art design, simulation, manufacturing and testing equipment, KPMI continually provides what no other company can when it comes to valvetrain.

#462-20 - To Convert Triumph 650/750 Unit Twins to 7mm Performance Setup

Contents of the #462-20 7mm Valve Guide and Spring Set:

>> Two Intake Tensilite Titanium Valves (1.600" head diameter; 0.2745" stem diameter; 23 degree tulip profile; 3.800" overall length)
>> Two Exhaust Tensilite Titanium Valves (1.440" head diameter; 0.2745" stem diameter; 29 degree tulip profile; 3.730" overall length)
>> Valves are shortened for use with lash caps; included in kit.
>> Valve Guides
>> Intake Seals
>> Spring Set (Titanium retainers; H.T. Steel keepers; Chrome-Silicon springs; H.T. Steel lower collars)
>> Note: 0.500" valve lift OK.

#462-21 - To Convert Triumph 500 Unit Twins to 7mm Performance Setup

Contents of the #462-21 7mm Valve Guide and Spring Set:

>> Two Intake Black Diamond Valves (1.540" head diameter; 0.2745" stem diameter; 23 degree tulip profile; 3.480" overall length)
>> Two Exhaust Black Diamond Valves (1.320" head diameter; 0.2745" stem diameter; 23 degree tulip profile; 3.425" overall length)
>> Valves have welded tips; lash caps not required
>> Valve Guides
>> Valve Seals
>> Spring Set (Titanium retainers; H.T. Steel keepers; Chrome-Silicon springs; H.T. Steel lower collars)
>> Note: 0.550" valve lift OK