Harmonic Balancers

ATI Super Damper GM LS1 SB Harmonic Balancer 1.483" Crank 917776 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1...

ATI Super Damper GM LS1 SB Harmonic Balancer 1.483" Crank 917777 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1...

Chevrolet Performance Harmonic Balancer Bolt 11570163  For GM LS7 Dry Sump  

Chevrolet Performance Gen V LT Harmonic Balancer Bolt 11547372 For GM Gen V L83, L86, LT1 Will not fit LT1/LT4 w/ dry sump.

Chevrolet Performance Harmonic Balancer Bolt 12557840  For GM Gen III/IV 4.8L, 5.3L, 5.7L, 6.0L, 6.2L.  Will not fit LS7/LS9 w/ dry sump.