Speedmaster PCE291.1061 Fits Chevy LS1 Underdrive Steel Elastic Harmonic Damper Balancer Only (1/2)

PCE 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.

• Manufactured from forged K1045 low carbon steel and tuned elastomer between the two layers of steel