ATI Mitsubishi 4B11T Super Damper Harmonic Damper

Mitsubishi 4B11T Evo X Super Dampers

• ATI's Super Damper for Mitsubishi Evo X 4B11T MIVEC engines
• High horsepower street & race versions
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Street Version: Direct replacement for the stock OEM damper
• Street Version: 5.67" Diameter 3% Overdriven belt drive
• Laser-etched timing marks
• SFI 18.1 Certified for competition use

Specs

• Shell Material: Aluminum
• Hub Material: Steel 1.0988" Bore
• Inertia Weight: 2.24 lbs

Part # 918253

Please note: Most OEM cranks are held to +/- .0002" while most aftermarket cranks are held to +/- .0005." Hub bores are tight to accommodate aftermarket cranks and due to this honing may be required as part of the fitting process.