HARMONIC BALANCERS
ATI Super Dampers Damper Service Parts Part No.
ATI916031
Engine
Construction
Hubs
ATI916031
LS1 “F” Body
Steel Steel
ATI916032M3
LS1 “Y” Body, CTS-V
Chevrolet Performance Harmonic Balancers Chevrolet Performance harmonic balancers are a factory replacement to fit the engine without any modifications. Features a steel center hub, cast iron ring, and bonded elastomer rubber for a true OEM balance. Factory timing degree marks up to 360 range. Non-SFI. Part No. Engine Balance LS Series Engines GMP12674582 † LS3 6.2L, 2008-11 Corvette, G8, Cast Iron Outer Ring, Steel Hub, Elastimer, Non-SFI Internal † Not for use on LS7 or LS9 dry sump engines. Works with GMP serpentine accessory drive system P/N GMP19155067 Fluidampr Harmonic Balancers The Traditional Fluidampr is a steel balancer that meets SFI specifications while the Signature Series, which also meets SFI specs, has an aluminum housing to reduce weight. The Streetdampr is ideal when an SFI-spec unit is NOT required. The CT Gold is an SFI-approved damper with center- ing technology that allows the crank to be balanced with the Fluidampr. Part No. Model Engine Diameter Balance SFI LS Series Engines FLU740121 Fluidampr LS1 & LS6 7-1/2" Internal 18.1 FLU760111 Fluidampr 2010-11 Camaro LS3, L99 with Pulley 7-3/4" Internal 18.1 FLU760121 Fluidampr 2010-11 Camaro LS3, L99 with 25% UD 7-3/4" Internal 18.1 FLU740111 Fluidampr, 6-Rib 1998-05 Gen III/IV Camaro/Firebird 7.50" Internal 18.1 Powerbond Harmonic Balancers Two types of balancers are available: SS Race Series balancers are SFI-approved, while the Street Series models are suitable for applications where an SFI approved damper is NOT required. Part No. Model Engine Diameter Balance Weight SFI LS Series Engines PBBPBU1480-SS10 Race, 10% Under Drive LS1, 5.7L Gen III 6.81" Internal 10.9 lbs. 18.1 PBBPBU1480-SS25 Race, 25% Under Drive LS1, 5.7L Gen III 6.22" Internal 10.7 lbs. 18.1 PBBPB1190-N Premium OEM Replacement LS1/LS6 5.7L / LS2 6.0L And LS3 6.2L 7.519" Internal N/A N/A PBBPB1117-SS Race, Corvette, Serpentine LS1, 5.7L 7.520" Internal 8.55 lbs. 18.1 PBBPBU1190-SS25 Race, Performance, 25% UD LS Gen III/IV 6.220" Internal N/A 18.1 PRW Harmonic Balancers PRW's PQX FluidGel serpentine pulley dampers are built with a steel inertia ring surrounded by a high-viscosity silicone gel that allows the inertia ring to float to combat engine harmonics at all RPM ranges. The silicone gel will not expire and is not affected by temperature change. Accurate crank bore for a proper fitment. Laser engraved timing marks, and a black epoxy finish. SFI 18.1-certified Part No. Model Engine Diameter Balance Weight PQX2534601 FluidGel Damper, 6-Rib, Camaro/Firebird, Underdrive LS Gen III/IV 5.50" Internal 12.4 lbs.
FLU740121
174
2021-22 ENGINE BUILDER CATALOG
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