PAUL in BC
installed this on a rank 250 and it smoothened it out and added smother power witch made me faster on the trail buy over double the speed
katherine in OH
gave me the ability to really lug my 450r. power rolls on very smooth now
Nick in CA
Where has this been all my life? Such a great tool. Made out of nylon so will not scuff top of piston. Screw it in and motor will not rotate. Great for torqueing bolts etc.