Yamaha R3 Racing Camshafts Hard Weld Spears Racing is the industry leader in designing and making racing components for decades for the “little Commuter Style Bikes” their continuous committed to excellence to advance as the industry changes. This commitment has resulted in more profiles specific to certain applications, proprietary treated camshafts with specific lobe/cam profiles are manufactured only for Spears Racing. Each of these aspects has been put through stringent research and development stages to ensure that our product will exceed your standards.
These cams are “CNC” cam ground on only brand New Yamaha OEM camshafts to Spears Racing specification numbers,these camshafts are welded up and reground Bearing Journals are Polished with the reliability and precision you come to expect from Spears Racing products.
These camshafts give the racer improved midrange and top end Horsepower, without sacrificing low end ride ability.
Race profile. these camshafts will need to be set up with the proper clearance ,this specification will come with the new camshafts and will need to rotate freely. These cams do not require the of aftermarket valve springs. These camshafts will performed better with an Exhaust System, and High Compression Piston. Check ALL clearances! Price Per Set (2).
These cams can be dropped in, but with the adjustable Spears Cam sprockets you will be able to degree them in to obtain the most power
Yamaha R3 Racing Camshafts Kit contains:
1 ea Intake camshaft
1 ea Exhaust camshaft
Cam card for camshaft specifications