ATI Mitsubishi 4G63 Super Damper Harmonic Damper EVO 4-9

• ATI's Super Damper for Mitsubishi Evo VIII and IX 4G63 MIVEC engines
• High horsepower street & race use
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Direct replacement for the stock OEM damper
• 6.325” diameter, 12% overdriven
• For correct belt length, use Carquest/Gates K060715
• Custom timing gear hub replaces the stock timing gear
• Laser-etched timing marks
• SFI 18.1 Certified for competition use

Specs

• Shell Material: 6.325" Aluminum, 6-rib drive, 12% Overdriven
• Hub Material: Steel with Timing Gear drive, #916025, 1.263" Bore
• Inertia Weight: 2.4 lbs, 3 ring

Part # 918250

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.