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Designed to fit TFX 96
fuel bowls and base plates
Speedmaster Aluminum cylinder heads use our "Gravity Die Cast" process
These polished
Embroidered Speedmaster logo
Chevy GM LS 6.780" 10% Underdrive Harmonic Balancer Damper SFI 18.1 Designed to fit TFX 96Speedmaster Harmonic dampers feature a bonding process which adheres the elastomer to the i. d. of the inertia ring and the o. d. of the hub, utilizing a strong adhesive along with an improved elastomer to create a much stronger bond. The inertia ring rotates harmonically with the engine and absorbs the torsion vibration from the rotating assembly at any frequency and RPM. It extends the life of crankshaft and bearing which allows the engine to
