Page 283 - 2021-22_EngineCatalogAP

HARMONIC BALANCERS
ATI Super Dampers
ATI Dampers consist of an outer shell, inner shell, crankshaft hub, and up to three elastomers. All ATI dampers meet SFI 18.1 specifications.
Fluidampr Harmonic Balancers
Traditional series Fluidampr harmonic balancers feature steel construction with a black zinc finish. Internally balanced unit has engraved degree markings for easy adjustment and has a 6-bolt mounting pattern. SFI-approved.
Powerbond Harmonic Balancers
Two types of balancers are available:
• SS Race Series balancers are SFI-approved. • Street Series models non SFI-approved.
ProRace Balancers
Pro/Street Dampers
Are not intended for racing, made of gray cast nodular iron, pressure-bonded elastomer, removable counterweight, 60 degree permanent engraved timing marks, precision balanced.
Pro/Sport Harmonic Balancers
Feature a fully machined high-quality carbon steel outer ring and hub, pressure-bonded elastomer, 60 degree permanent engraved timing marks, meets SFI Spec. #18.1, spin tested to 12,500 rpm.
Part No.
Application
Diameter
Style
Ring Shell
Outer Hub
Crank Balance
Total Weight
ATI917400E
318-360
7.074"
2
Alum.
Steel
Internal
5 lbs.
ATI918282E
318-360
7.074"
3
Steel
Steel
Internal
11.25 lbs.
Part No.
Model
Engine
Diameter
Balance
SFI-Approved
FLU720301
Fluidampr
318-360
7.250"
Internal
Yes
Part No.
Model
Engine
Diameter
Balance
SFI-Approved
PBBPB1004-SS
Race
318-340
7.250"
Internal
Yes
PBBPB1004-ST
Street Series
318-340
7.250"
Internal
No
PBBPB1108-SS
Race
360
7.250"
External
Yes
Part No.
Model
Engine
Dia.
Balance
Weight
SFI-Approved
PRH24278
Pro/Street
273-360
7.30"
External
9.36 lbs.
No
PRH35278
Balancer Counterweight with Hardware, Zinc-Plated, Each
Part No.
Model
Engine
Dia.
Balance
Weight
SFI-Approved
PRH34277
Pro/Sport
273-360
7.01"
Internal
11.14 lbs.
Yes
PRH34278
Pro/Sport
273-360
7.01"
Extermal
11.14 lbs.
Yes
PRH35278
Balancer Counterweight with Hardware, Zinc-Plated, Each
2021-22 ENGINE BUILDER CATALOG 281
CHRYSLER SMALL BLOCK