ATI Performance Products Damper - 7.07 - St - Chevy 454 - Ext Bal 1-pc Hub Inner Shell 2GTACOBF while the 40% and 60%

while the 40% and 60% deletes have been redesigned for a better fit and an easier installation without drilling

SD151225-GRY

HPS 2-3/4" (70mm)

Built for 1st Gen Sequoia Owners

Equipped with removable AN-6 male fittings for inlet and outlet ports

ATI Performance Products Damper - 7.07 - St - Chevy 454 - Ext Bal 1-pc Hub Inner Shell 2GTACOBF while the 40% and 60%Super Damper Harmonic Dampers The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Features 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