HARMONIC BALANCERS
Ford Small Block 289-351W ATI Super Dampers Meet SFI 18.1 specifications.
Ring Shell Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel
Outer Hub Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel
Crank Balance Internal Internal Internal Internal Internal External External External Internal Internal Internal Internal
Total Weight
Part No.
Application
Diameter 6.325" 6.325" 6.325" 7.074" 6.325" 6.325" 6.325" 6.325" 6.325" 6.325" 6.325" 6.325"
ATI917511 A ATI917511AK A ATI917515 B ATI917562 B ATI917661 B ATI918895 A ATI918900 C ATI918911 C ATI918916 C ATI918920 C ATI918921 C ATI918924
289-351W, “C” Timing Tab 289-351W, “A” Timing Tab 289-351W, “C” Timing Tab 289-351W, “C” Timing Tab 289-351W, “C” Timing Tab 289-351W, “B” Timing Tab 289-351W, “B” Timing Tab 289-351W, “B” Timing Tab 289-351W, “B” Timing Tab 289-351W 351W 289-351W
9.00 lbs. 6.00 lbs. 8.50 lbs. 11.25 lbs. 3.90 lbs. 8.50 lbs. 8.50 lbs. 8.50 lbs. 6.00 lbs. 8.50 lbs. 8.50 lbs. 3.90 lbs.
Aluminum Steel
Aluminum Steel
A Ford 3-bolt front. B Chevrolet 3-bolt front. C Ford 4-bolt front. BHJ Dampers Features early 3-bolt face, with early and late style timing marks. Meets SFI 18.1 specifications. Part No. Model Diameter Shell Hub Balance BHJFO-IB289-7 All-Steel 6.200" Steel Steel Internal Fluidampr Harmonic Balancers
• Traditional Fluidampr is a steel balancer that meets SFI specifications. • The Streetdampr is ideal when an SFI-spec unit is NOT required. Part No. Model Engine Diameter
Balance SFI-Approved
FLU620200 FLU650211 FLU650221 FLU650231
Streetdampr Fluidampr Fluidampr Fluidampr
302 HO, 1982-92 4-Bolt, Standard Pulley 6-5/8" Internal
No Yes Yes Yes
289-351W, 28-oz. 302, 1982-92, 34-oz.
6-5/8" External 6-5/8" External 6-5/8" Internal
351W, 4-Bolt Pulley Bolt Pattern
Powerbond Harmonic Balancers • Race Series balancers are SFI-approved. • Street Series models not SFI-approved. Part No. Model Engine PBBPB1008-ST Street Series 289-351W, 28-oz. PBBPB1060-SS † Race Series 302-351W, 28-oz. PBBPB1060-ST † Street Series 302-351W, Raised Pulley, 28-oz. PBBPB1082-N † OE Replacement 302/351C, 28-oz. PBBPB1082-ST Street Series 302/351C, 28-oz. PBBPB1084-ST Street Series 302 EFI, 50-oz. PBBPB1084-SS Race Series 302 EFI, 50-oz. PBBPB1086-SS Race Series 289-351W PBBPB1479-SS Race Series 302/351W, 3-Bolt PBBPB1479-ST Street Series 302/351W, 3-Bolt † Chevrolet 3-bolt front. PRO RACE Pro Street Dampers Pro Street dampers offer stronger nodular iron construction. Externally balanced units feature bolt-in counterweights allowing an easy switch to an internally balanced engine. Outer and inner ring are bond- ed to the elastomer, minimizing outer ring movement. Part No. Model Diameter Balance SFI-Approved PRH24269 Pro Street 6.40" 28-oz. External No PRH24270 Pro Street 6.40" 50-oz. External No Pro Sport Dampers Machined from high-quality carbon steel, with pressure-bonded elastomer, Pro Sport dampers feature removable counterweights on externally balanced models. They are spin tested to 12,500 rpm and meet SFI Spec.18.1. Part No. Model Diameter Balance SFI-Approved PRH34269 Pro Sport 6.61" 28-oz. External Yes PRH34270 Pro Sport 6.61" 50-oz. External Yes
365 2021-22 ENGINE BUILDER CATALOG
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