Kawasaki Ninja 400cc Camshafts
Kawasaki Ninja 400cc High Lift Roadracing Camshafts 2018/Current - Image 2
Kawasaki Ninja 400cc High Lift Roadracing Camshafts 2018/Current - Image 3
Kawasaki Ninja 400cc High Lift Roadracing Camshafts 2018/Current - Image 4

Kawasaki Ninja 400cc High Lift Roadracing Camshafts 2018/Current

Spears Racing camshafts give the racer improved mid-range and top end Horsepower, without sacrificing low end ride-ability

 

Original price was: $1,729.99.Current price is: $1,699.99.

3 in stock (can be backordered)

SKU SP17-400HW Categories , , , Tags , ,

Description

Spears Racing Kawasaki Ninja 400 racing camshafts are purpose-built profiles for the “little commuter” class bikes we have specialized in for decades. As the class has evolved, so have our designs: application-specific lobe profiles, proprietary heat treatment, and hard-weld construction made only to Spears Racing specification.

These are not a simple base-circle regrind that trades a little bottom end for a small top-end bump. Each cam is a true re-profile with added duration, ground on new Kawasaki OEM blanks. Compared with stock, lift increases by more than 0.030 in. on the intake and more than 0.040 in. on the exhaust. The result is stronger midrange and top-end horsepower without giving up low-end rideability.

Both intake and exhaust lobes are hard-welded. Bearing journals are polished to the fit and finish expected from Spears Racing. These cams do not require aftermarket valve springs. They respond best with a free-flowing exhaust and a high-compression piston.

Fitment and setup

  • CNC-ground on new Kawasaki OEM camshafts to Spears Racing specs
  • Sold as a set (intake and exhaust)
  • Install with the clearance spec supplied with the cams; the valvetrain must rotate freely
  • Check all clearances before final assembly
  • Drop-in capable. For the most power from this profile, degree the cams in
  • Depending on model year, the intake bucket area may need clearance. Newer cylinder heads have shown casting variation in this area

Kit contents

  • 1 intake camshaft
  • 1 exhaust camshaft
  • Cam card with specifications

Price is per set of two.

Additional information

Weight 4.0 lbs
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