SILVER SEAL HARMONIC BALANCER 5.0L / 5.7L GM SB 6 3/4'' - SIL-HBC174 OE 6272221

SILVER SEAL HARMONIC BALANCER 5.0L / 5.7L GM SB 6 3/4'' - SIL-HBC174 OE 6272221

Marsoni

M251S

$116.97

Get it in 3 business days with 1 day shipping. Friday, May 29

SILVER SEAL HARMONIC BALANCER 5.0L / 5.7L GM SB 6 3/4'' - SIL-HBC174 OE 6272221ITEM#: SIL HBC174HARMONIC BALANCER5. 0L 5. 7L GM SB 6 3 4'' DIAOEM#: 6272221BRAND: SILVER SEAL FITMENTS: Make Model Year(s) Mercruiser ALL Volvo Penta ALL NOTE: S B DETAILS: 5. 0L 5. 7L V8, 1969 95, 6 3 4 INCH, 2 OCLOCK TIMING, SOLID INERTIA RING

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Bought as a working watch so I don’t wreck my good watches. It’s been working just fine and holding up well while not taking very good care of it. Keeps accurate time. Glass has stayed clear. Black finish looks good and is holding up well. Seems to hold up with steady pounding. Stop watch buttons are a bit crude and will mess up your time when your hand gets pushed back against it during hard labor. However, I have not babied this watch at all.

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Reviewed in the United States on December 10, 2025