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After many years on the track, Buddy ClubÆs engineers developed the super lightweight duralumin cam pulley. Lightweight duralumin was adopted as the material for both the outer pulley, and the inner plate portion to create a super-lightweight body. It is possible to change the engineÆs power output by re-adjusting the closing timing of the intake valves. By coating the gears with hard almite on the surface, durability of the pulley have raised dramatically. It can easily be used for the drag racing cars that exceed 1000horse power and 10000RPM. With individual design of IN and EX, the adjustment part of both IN and EX pulley comes to its top when the engineÆs TDC for easier valve timing adjustment.
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