Chevy 6.2L ATI Super Damper 2% Underdrive Harmonic Balancer - ATI918628

Harmonic Balancer, Super Damper, Internal Balance, Aluminium/Steel, Chevy, 6.2L, Each.

ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. They're available in steel or lightweight, hard-coated aluminium.

Features and benefits:
* Eliminates torsional crankshaft vibrations
* Exceeds SFI 18.1 specs
* Black zinc chromate finished
* Tunable, rebuildable, and extremely efficient at all RPMs
* Laser-engraved 360 degree timing marks.

Engine Balance:InternalSFI Rating:SFI 18.1Degree Markings:YesDegree Marking Range:360Outside Diameter (in):7.480"Groove Quantity:6 & 4Keyway Quantity:OneHarmonic Balancer Material:AluminiumHarmonic Balancer Construction:Elastomer Harmonic Balancer Finish:Black zinc chromate