Kawasaki ZX-4RR / ZX-4R Velocity Stacks V1

Graves Motorsports KawasakiZX-4RR / ZX-4RVelocity Stack Kit.Developed by our multi time championship winning racing engineers. No cutting / altering / bonding required.These stacks straighten out the power curve while improving low, mid and top end torque and horsepower.Designed to smooth out the power curve, increase horsepower throughout and improve fuel efficiency. The version 1 stacks are best suited for use in highly modified / tuned engines.

FITMENT:2023 + Kawasaki ZX-4RR / ZX-4R