ATI Super Damper Harmonic Damper - SB Chevy - 6.325" Diameter - Aluminum/Steel - Internal Balance - Internal Balance Helmet Pivot Repair Kit suitable for engines making up

suitable for engines making up to 4000 HP

The Club III uses a proprietary honeycomb architecture not found in other devices at this price point

0 Brushless

Simpson / Shoei Helmets

They include HANS post anchors

ATI Super Damper Harmonic Damper - SB Chevy - 6.325" Diameter - Aluminum/Steel - Internal Balance - Internal Balance Helmet Pivot Repair Kit suitable for engines making upThe patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18. 1 specs Black zinc chromate finished OEM equipment on ZZ572 GM Crate Engines Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360 timing marks Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia