Page 90 - 2021-22_EngineCatalogAP

HARMONIC BALANCERS
Allstar Performance
Crankshaft Hub
Designed specifically for circle track engines without a harmonic balancer. Significantly lighter than
a harmonic balancer and dramatically reduces rotating weight for quicker acceleration off the turn. Engraved timing marks; 0, 30 to 42 degrees. Features (3) 3/8-16 accessory threads. Weighs 1 pound.
Part No. Description
ALL90030 Aluminum Crank Hub
BHJ Dampers
Harmonic Dampers
BHJ Dampers are available in three configurations:
Diameter
4.375"
• “All-Steel” consists of a steel outer ring and hub.
• “Combo” dampers are made up of an aluminum hub and steel outer ring.
• “Economy” dampers are the economical alternative. Made from nodular iron. Not SFI-approved.
CHEVROLET SMALL BLOCK
Part No.
BHJCH-IB-221 † BHJCH-IBS-6 BHJCH-IBS-6-C
† Not SFI-approved.
Model
Economy All-Steel Combo
Diameter
6.100" 5.700" 5.700"
Shell Hub
Iron Iron Steel Steel Steel Alum.
Balance
Internal Internal Internal
Chevrolet Performance
Harmonic Dampers
Chevrolet Performance harmonic balancers are direct replacement units. OEM-original cast nodular iron, rubber inertia ring, steel center hub harmonic balancers. Not SFI-approved.
Part No.
GMP6272222 A GMP19301706 B
Model
Cast-Steel Nodular Iron
Engine
350 350-400
Diameter
8.000"
8.000"
Balance
Internal External
A One timing mark with no degree markings. B GMP19301706 balancer direct replacement for 1970-74 LT-1, ZZ6/CT400 crate engine. 1-11/16" inertia ring, 0-60 engraved timing marks.
Fluidampr Harmonic Balancers
Four models available:
• Traditional Fluidampr is a steel balancer that meets SFI specifications.
• 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 offers centering technology to allow the crank to be balanced with the Fluidampr.
SFI-approved.
Part No.
FLU720101 FLU720111 FLU620101 FLU670100
Model
Fluidampr Fluidampr Fluidampr Streetdampr
Engine
283-350 400 262-350 283-350
Diameter
7-1/4" 7-1/4" 6-1/4" 6-3/4"
Balance
Internal External Internal Internal
88 2021-22 ENGINE BUILDER CATALOG