Description
ATI SB Chevy 7" Harmonic Damper SFI 18.1 Certified 26 FHS W Kevlar translates to increased speed WEI7155 Kevlar translates to increased speed and a safer racing environment The serrated helix combination design also reduces intake whistle that occurs with helix only designs Internal Balance The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines