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Connecting Rod / "Big End" Bearing Set - Standard Size - for Porsche 911 SC 3.0L 1978-1983 ❭ 93010314882
- Porsche 911 1978-1983 3.0L / SC
Connecting-rod bearing shell replaces the factory big-end bearing used on classic air-cooled Porsche flat-six engines 911 SC 3.0L. It supports the rod big end on the crankshaft journal, creating a hydrodynamic oil film for low-friction rotation and stable oil pressure.
Fits:
Porsche 911 SC 3.0L 1978 - 1983
Diagram ref no 20
Manufactured to OEM dimensions and surface finish, these shells deliver precise crush fit, correct oil-groove geometry, and durable overlay materials for long service life. Install in matched pairs per rod during rebuilds.
• Fits inside the connecting rod big end around the crank journal; one upper + one lower shell per rod.
• Maintains oil film, controls clearance, and protects the crank journal under load.
Rod bearings gradually wear due to mileage, heat, and oil starvation, leading to scoring, uneven surfaces, and reduced oil pressure — all of which increase the risk of rod knock. They should be replaced whenever the engine bottom end is opened, during rebuilds, or if low oil pressure, metallic debris in oil, or audible knocking is detected — a standard preventive step in engine service.
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93010314882
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100 Plasigauge strips per box
PLASTIGAUGE PL-A is widely used in the measurement of clearance in plain automotive bearings. Measurement of clearance in big-end bearings can be achieved without dismantling the crankshaft.
For measurements of: 0.001″ to 0.007″ (0.025mm – 0.175mm)
Suitable for use at temperatures between 0°C and 35°C
Contents:
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PLA007
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3G Mineral Grease: To coat journal prior to use of Plastigauge
3G Silicone Grease: To apply to surface of shell
Lubricants to assist with the measurement of clearance in automotive bearings.
Plastigauge Precision Clearance Gauges
Kit includes:
1 x Plastigauge PL-A box
1 x Plastiguage Mineral grease
1 x Plastiguage Silicone grease
PLASTIGAUGE PL-A is widely used in the measurement of clearance in plain automotive bearings. Measurement of clearance in big-end bearings can be achieved without dismantling the crankshaft.
3G Minerak Grease: To coat journal prior to use of Plastigauge
3G Silicone Grease: To apply to surface of shell
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Related, superseded, cross reference or alternative numbers for comparison.
PLASKIT
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This kit is comprised of the following items:
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