6.7" Harmonic Balancer 429CI 460CI Satin Black for Ford Big Block

Our steel harmonic balancers are extremely durable and efficient. The elastomer is bonded to the inside of the inertia ring and outside of the hub thanks to an improved design and premium adhesive. They feature a black finish and white timing marks for easy reading and installation. They are precisely designed and balanced for perfect fit and performance. Fits Ford big block 429 & 460 engines. 6.7" outer diameter. Satin black finish with white timing marks. Internal / External. 40°Before Top Dead Center to 0° Top Dead Center. Features two keyways for SVO crankshafts. For stock one keyway applications it requires a Ford spacer/counterweight M-6359-D460