These lightweight GM602 Cheater harmonic balancers are made from billet aluminum. They reduce rotating weight, lower the moment of inertia for quicker acceleration and increase horsepower. They feature a steel outer sleeve that a magnet will stick to.
25126 Harmonic Balancer-Chevy-8"-Alum-Crate Motor, Weighs 4.01 LBS. (Same as Stock Size & Over 8 lbs. Lighter!).
Don H...... "Say's This Balancer is Bad to the Bone, I love it, it's gotta be worth 5 H.P. !!"