Clevite H-Series Small Block Chevy Main Bearings
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Clevite's H-Series was developed primarily for use in NASCAR type racing, but they are suitable for all types of competition engines. These sets are specifically for 1969-Up 302-305-327-350 S/B Chevy.
- Use H-series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
- H-Series bearings should be used if contact patterns obtained with P-series parts are too narrow. Contact pattern should ideally cover 2/3 to 3/4 of the bearing surface.
- If you aren't sure which type of performance bearing to start with, the H-Series will be your best choice.
H-Series Features (Link)
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