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Speedmaster Internal Balanced SFI 18.1 Harmonic Balancer; 8.000-Inch (57-82 Small Block V8 Corvette C1, C2 & C3)

Item EK-25-948956
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$143.40

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      Product Information

      Features, Description, Q&A

      Features

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      • Part Type Harmonic Balancer
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      • Engine Balance Internal
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      • SFI Rating SFI 18.1
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      • Degree Markings Yes
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      • Degree Marking Range 60 BTDC To 0 TDC
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      • Outside Diameter 8.000 In.
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      • Harmonic Balancer Material Forged K1045 Low Carbon Steel
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      • Harmonic Balancer Construction Elastomer Bonded Between Steel
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      • Harmonic Balancer Finish Black Painted with White Timing Marks
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      • Mounting Hardware Included No
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      • Quantity Sold Individually
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      • Fits 57-82 Small Block V8 Corvette C1, C2 & C3 with Internal Engine Balance
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      Description

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      Precision Engine Component. The Speedmaster Internal Balanced SFI 18.1 Harmonic Balancer; 8.000-Inch is engineered to reduce torsional vibrations in the engine’s rotating assembly. This component plays a critical role in extending the life of the crankshaft and bearings, enhancing engine performance with improved power and torque while minimizing mechanical fatigue.

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      Construction and Appearance. Crafted from forged K1045 low carbon steel, this harmonic balancer features a tuned elastomer layer bonded between two steel components. The exterior is finished with black paint and clear, easy-to-read white degree markings for precise engine timing adjustments.

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      Installation. Installation is straightforward for experienced automotive technicians, fitting directly onto engines balanced internally without the need for drilling, machining, or modifications.

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      Warranty. This product includes a 12-month limited worldwide warranty.

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      Application. Designed specifically for 1957-1982 Small Block V8 Corvette models C1, C2, and C3 with internal engine balancing, ensuring proper fitment without modifications.

      Speedmaster PCE291.1011

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Questions & Answers

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      Will It Fit My Corvette

      • Base - 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82
      • Collector's Edition - 82
      • Indianapolis 500 Pace Car - 78
      • Silver Anniversary Edition - 78
      • Stingray - 75, 76