ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance 931127 as well as combating blood

as well as combating blood circulation problems

090 in Thick

Mercury: Cougar 67 - 73

Dana 44 and 60

Caps allow coolant to exit the cooling system into an overflow or recovery bottle as coolant heats and expands

ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance 931127 as well as combating bloodATI Super Damper has become one of the industry's standards in harmonic vibration control, combining two dampening surfaces in one unit. At 6000 RPM, digital vibration tests proved the ATI Super Damper to be 30% more effective than original equipment style dampers. ATI Super Damper consists of an outer shell, inner shell, crankshaft hub, and eight individual elastomers. Reductions in torsional vibrations provide increased horsepower while improving