Chevy LS1 Underdrive Steel Elastic Harmonic Damper Balancer Only (1/2) Look not further

Look not further

Windsor and Big block applications feature cast construction

Bearing wear is dramatically reduced and the fatigue strength is greatly improved

They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners

These computer-machined brackets are manufactured from high quality materials and come with a chrome finish

Chevy LS1 Underdrive Steel Elastic Harmonic Damper Balancer Only (1/2) Look not furtherSpeedmaster K1045 steel enclosed elastic dampers are tested to 12,500 RPM for explosion proof racing application. The "S" shape gap between inner and outer ring is press inserted with sulfated elastic rubber to ensure the damper will not disintegrate under any circumstance. All dampers are tested to withstand 15 tons press force without separation or deterioration.