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Vehicle Info NeededJEGSPART NUMBER: 555-51650
Harmonic Balancer for 1955-1995 Small Block Chevy
$5699$60.99You Save$4.00
8 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeChevy Harmonic Balancers
Harmonic Balancer1955-1995 Small Block Chevy 6.12" Internal Balance Exceeds OE Specifications
Fits small block chevrolet engines such as 283, 305, 307, 327, 350, 383 (stroker), 400, and others based on the popular platform Designed for engines that rev up to 6500 rpm Ideal for street rods, pro touring, daily drivers, marine engines, and other applications that require an oe-type balancer Hubs are made from spherical graphite (also known as "near steel") and feature a pressure bonded inner hub and outer ring for superior strength Easy-to-see top dead center mark
- Perform Up to 6500 RPM
- Hubs are Made from Spherical Graphite
- Pressure Bonded Inner Hub and Outer Ring
- Easy-to-See Top Dead Center Mark
Specifications: - Overall OD (In): 6.12
- Nose OD (In): 1.76
- Overall Width (In): 2.34
- Crank Bore (In): 1.25
- Ring Width (In): 1.21
- Bolt Holes: 3
- Counterweight Balance: Neutral, no counterweight
- Crank Trigger/Exciter Plate: No
- Timing Marks: Yes
Features:
Far from just a replacement balancer!
JEGS Performance Harmonic Balancers are designed for the high heat and high load of everyday driving applications. They far exceed OE specifications and perform up to 6500 RPM. Ideal for street rods, Pro Touring, daily drivers, marine engines, and other applications that require an OE-type balancer. Hubs are made from spherical graphite (also known as "near steel") and feature a pressure bonded inner hub and outer ring for superior strength with an easy-to-see top dead center mark.
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Features:
- Perform Up to 6500 RPM
- Hubs are Made from Spherical Graphite
- Pressure Bonded Inner Hub and Outer Ring
- Easy-to-See Top Dead Center Mark
Part TypeHarmonic Balancer
Product LineJEGS Performance Harmonic Balancers
BrandJEGS
Package Height2.9
Package Width6.7
Package Length7.3
Weight5.1 PG
Part CategoryReplacement Parts
Degree MarkingsNo
Nose Od (In)1.76
Harmonic Balancer ConstructionElastomer
Bolt Hole Count3
Pulley DiameterN/A
Engine BalanceInternal
Overall Width2.34 in (59.4 mm)
Harmonic Balancer MaterialSteel
Crank Trigger/Exciter PlateNo
Crank Bore1.25 in (31.75 mm)
Part FitmentDirect Fit
Ring Width (In)1.21
Outside Diameter6.12 in (155.4 mm)
FinishBlack
Package Qty1
Package TypeEA
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