Honda D-Series Super DampersFits Honda D-series engines
Dampens torsional crankshaft vibrations at all RPM levelsProtects against engine harmonics5.5" 4 rib alternator belt drive (10% underdriven)Max 750 HPLaser-etched timing marksSFI 18.1 Certified for competition useSpecsShell Material: 7.04" AluminumHub Material: Steel 916129Inertia Weight: 3.4 lbs, 2 ring