Description
ATI Harmonic Crank Damper for B58 Gen 1/2.
Features:
– Dampens torsional crankshaft vibrations at all RPM levels
– Protects against engine harmonics
– Direct replacement for the OEM unit
– Available with 21% Underdrive pulley shell (918351)
– Laser-etched timing marks
– SFI 18.1 Certified for competition use
Specifications:
– Shell Material: 7.074″ Aluminium, 6-rib
– Hub Material: Steel with inner shell 916501, bore 1.577″
– Inertia Weight: 1kg, 3 ring
Notes:
– Compatible with BMW B58 series engines, including A90 Supra
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