Professional Products Harmonic Balancer, 28 Ounces, Small Block Ford
Ford Small Block V8, 6.40" Outside Diameter, 3.00" Overall Length, Degree Markings
- Will fit most 260/289/302/351W/5.0L Ford engines
- The counter weight is removable for zero balanced cranks
- Both measure 6.4" in diameter, are 3" in total length, and are marked to 40 degrees at three locations
- These PowerForce series balancers from Professional Products are available in 28 oz. or 50 oz. balance
- They feature both 3 and 4 bolt pulley holes, which allows the use of late model serpentine drive systems on early engines if desired
Details
Info
These PowerForce series balancers from Professional Products are available in 28 oz. or 50 oz. balance. They both measure 6.4" in diameter, are 3" in total length, and are marked to 40 degrees at three locations. Plus, they feature both 3 and 4 bolt pulley holes, which allows the use of late model serpentine drive systems on early engines if desired. Counter weight is removable for zero balanced cranks. Fits most 260/289/302/351W/5.0L Ford engines. 6500 RPM max limit.
See Notes tab for spacer requirements.
28 oz. Balancer (S/B Ford V8 1963-80)
- Matches O.D. and thickness of the stock early (1963-69) dampers
- Counterbalance weight matches the stock 28 ounce inches
- Overall balance specifications are held tighter than the original O.E. tolerances
- Dual Bolt Pattern - both the "early" 3-bolt and the "late" 4-bolt patterns
- Removeable Counterweight - if building a neutral balance engine simply remove the bolt-in counterweight on the back of the damper
50 oz. Balancer (S/B Ford V8 1981-95)
- Made to the early short length of 3" - allows the use of a late 5.0L engine with a 50 oz. in. damper to be used in an early chassis where front clearance is at a minimum
- To fit in late vehicles, use spacers to provide the correct front pulley alignment
- Dual Bolt Pattern - both the "early" 3-bolt and the "late" 4-bolt patterns
- Plastic insert shown in photos can be used to center 3-bolt pulleys with a female pilot, or it can be removed to accept 3-bolt pulleys with a male pilot
- Very versatile and can be used on many different Ford engines
Application
91015366 - This spacer must be used when replacing an original balancer that is 3-3/8" long which were typically found on '79 and earlier 351W engines.
91015367 - This spacer must be used when replacing an original balancer that is 4" long which were typically found on '80 and later 351W, '80 and earlier 302, and late model 5.0L engines with some triming of spacer required on 5.0L engines.
91015368 - This spacer must be used when replacing an original balancer that is 3-7/8" long which were typically found on '80 and earlier 351W Ford racing HO engines or '80 and later 351W, 302, or 5.0L engines using the Ford Racing .917" crank sprocket.
Notes
This engine family used 1 of 5 common length balancers, use the following information to determine your application needed. They are made to early style length of 3" to allow their use in tight applications, but adding on with a spacer for pulleys listed below, you can fit almost any car and pulley combo. These spacers are unique and can only be used with the new balancers shown here. Pulley spacers listed are a 4 bolt design, but can be redrilled for the 3 bolt arrangement.
- 3" long - no pulley spacer required, white spacer adaptor ring can be removed from balancer
- 3-3/16" long - limited applications, use 91015366 (#81006) spacer and machine .090" off of 3 surfaces
- 3-3/8" long - use 91015366 (#81006) spacer
- 3-7/8" long - use 91015368 (#81008) spacer
- 4" long - use 91015367 (#81007) spacer
Charts
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Related Products
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Professional Products 81006 S/B Ford Balancer Pulley Spacer, 3/8 Inch$20.99 -
Professional Products 81007 S/B Ford Balancer Pulley Spacer, 1 Inch$20.99
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