Kawasaki Ninja 500cc High Lift Roadracing Camshafts 2024/Current

Description

Kawasaki Ninja 500 Racing Camshafts — Spears Racing Hard-Weld Set

Spears Racing Kawasaki Ninja 500 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. The result is stronger midrange and top-end horsepower without giving up low-end rideability.

Benefits

• More than 0.030 in. additional intake lift and more than 0.040 in. additional exhaust lift over stock
• Added duration from a true re-profile, not a base-circle cut
• Stronger midrange and top-end power while keeping low-end rideability
• Hard-welded, lobes for race durability
• Polished bearing journals for fit and reliability
• No aftermarket valve springs required
• Drop-in capable; degreeing in unlocks the most power from the profile
• Best results with a free-flowing exhaust and a high-compression piston

Technical specs

• Application: Kawasaki Ninja 500
• Construction: hard-weld lobes, intake and exhaust
• Base: new Kawasaki OEM camshafts, CNC-ground to Spears Racing specs
• Journals: polished cylinder-head bearing journals
• Lift gain: over 0.030 in. intake, over 0.040 in. exhaust vs. stock
• Profile: re-profiled with added duration
• Valve springs: stock springs compatible
• Setup: clearance spec supplied with the cams; valvetrain must rotate freely
• Recommended: degree cams in for maximum power
• Note: some model years need intake-bucket clearance because of casting variation on newer heads

Kit contents

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

Check all clearances before final assembly. Price is per set of two.