ATI Performance Products ATI Performance Super Damper Harmonic Crank Pulley Nissan SR20 Wheels OE-spec geometry - Matches original

OE-spec geometry - Matches original beam pattern and housing profile for hassle-free installation

massive midrange power

DOT/SAE compliant for worldwide street use

Check your vehicle's service manual for the correct bolt specifications and torque specs—your OEM fasteners can typically be reused if they're still in good condition

ATI Performance Products ATI Performance Super Damper Harmonic Crank Pulley Nissan SR20 Wheels OE-spec geometry - Matches originalATI 918582 Super Damper Harmonic Crank Pulley for SR20DET. This truely balanced crank pulley was made to eliminate torsional crankshaft vibrations caused by abnormal wear. It is a direct replacement for the OEM crank pulley. Made to exceed SFI 18. 1 Specs with laser engraved timing marks. The ATI Super Damper is also coated with black zinc chromate to prevent rust and reduce wear. The Super Damper does not retain stock belt size. You will need to