HARMONIC BALANCERS
Chevrolet Big Block 396-502 Elastomer Kit Part No. Description ATI918980-76
Ring Kit, 6" OD 3 Ring 70/60/70 Durometer
Fluidampr Harmonic Balancers Two models available: • Traditional Fluidampr is a steel balancer that meets SFI specifications; • The CT Gold model offers centering technology to allow the crank to be balanced with the Fluidampr, and is also SFI-approved. Part No. Model Engine Diameter Balance SFI-Approved FLU800101 Fluidampr 396-427 8" Internal Yes FLU800111 Fluidampr 454-502 8" External Yes FLU720121 Fluidampr 396-454 7-1/4" Internal Yes FLU620111 Fluidampr 396-427 6-1/4" Internal Yes
Powerbond Harmonic Balancers Two types of balancers are available: • SS Race Series balancers are SFI-approved. • Street Series models not SFI-approved. Part No. Model Engine Diameter
Balance
SFI-Approved
PBBPB1018-N PBBPB1018-ST PBBPB1211-N PBBPB1211-ST PBBPB1018-SS PBBPB1019-SS PBBPB1211-SS
Claimer, Non-SFI
454 454
7.990" 8.000" 7.990" 8.000" 8.000" 7.000" 8.000"
External External Internal Internal External Internal Internal
No No No No
Street Series
Claimer, Non-SFI
396-427
Street Series
427 454
Race Race Race
Yes Yes Yes
427-454
427
Pro/Street Pro/Street balancers feature a nodular iron construction, pressure-bonded elastomer 3000 lbs. separation force, bolt-on counterweights, machined to exact tolerances, 60 degrees of permanent easy-to-read timing marks. Not SFI certified. Part No. Model Engine Diameter Balance Weight SFI PRH24263 Pro/Street 396-427 8.00" Internal 13.50 lbs. No PRH24264 Pro/Street 454 8.00" External 14.13 lbs. No Pro/Sport Pro/Sport balancers are fully machined from high-quality carbon steel, with pressure-bonded elasto- mer 3000 lbs. separation force, positively retained outer inertia ring, accurately balanced, spin tested to 12,000 rpm, removable counterweights, highly polished and finished in a durable baked enamel finish. Meets SFI Spec. 18.1. Part No. Model Engine Diameter Balance Weight SFI PRH34263 Pro/Street 396-427 7.01" Internal 12.97 lbs. Yes PRH34264 Pro/Street 454 7.01" External 14.13 lbs. Yes
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2021-22 ENGINE BUILDER CATALOG
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