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Fluidampr Harmonic Balancer Fits 1959-1979 Pontiac / Oldsmobile. 326, 389, 400,

P/N 650401 - FAST SHIPPING!!
CI Motorsports
(3469)
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US $587.59
ApproximatelyC $808.47
Condition:
New
Compatibility:
Shipping:
Free UPS Ground.
Located in: Coral, Pennsylvania, United States
Delivery:
Estimated between Mon, Aug 18 and Thu, Aug 21 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Payments:
     Diners Club

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eBay item number:236079451129
Last updated on Jul 29, 2025 02:26:16 EDTView all revisionsView all revisions

Compatibility

This part is compatible with 520 vehicle(s)
YearMakeModelTrimEngineNotes
1979PontiacBonnevilleBase Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacBonnevilleBase Sedan 4-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacCatalinaSafari Wagon 4-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacFirebirdFormula Coupe 2-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacFirebirdFormula Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacFirebirdTrans Am Coupe 2-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1979PontiacFirebirdTrans Am Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBase Coupe 2-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBase Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBase Sedan 4-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBase Sedan 4-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBrougham Coupe 2-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBrougham Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBrougham Sedan 4-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleBrougham Sedan 4-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleSafari Wagon 4-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacBonnevilleSafari Wagon 4-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacCatalinaBase Coupe 2-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacCatalinaBase Coupe 2-Door6.6L 403Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
1978PontiacCatalinaBase Sedan 4-Door6.6L 400Cu. In. V8 GAS OHV Naturally AspiratedBore Dia. Min/Max: 1.3722 / 1.3732, Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270, Degree Markings: Yes, Engine Balance: Internal, Finish: Black Zinc, Keyway: Single, Length: 2.837, Material: Steel
Portions of the information contained in this table have been provided by ci-motorsports

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Warranty
1 Year
Brand
Fluidampr
Manufacturer Part Number
650401
Bolt And Washer Included
No
Outside Diameter
6-5/8"
Safety Rating
SFI 18.1
Prop 65 Yes/No
Yes
Prop 65 (C, R, or CR)
CR
Prop 65 - Short Label
CA-Prop65-label.jpg
Mounting Hole Quantity
1
Material
Steel
Keyway Type
Single; (3/16")
Inside Diameter
1.372 IN
Finish
Black Zinc
Engine Balance
Internal
Depth
3.247 IN
Degree Markings
Engraved
Weight / Rotating Weight
10.2 lbs / 6.8 lbs
Country of Origin
United States
UPC
815293001180

Item description from the seller

About this seller

CI Motorsports

99.7% positive feedback•11K items sold

Joined Nov 2010
Usually responds within 24 hours
CI Motorsports, also known as Competition Imports, is a company specializing in aftermarket performance parts and accessories for a variety of vehicles, particularly focusing on import cars such as ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
5.0

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