Mahle Clevite H-Series Rod Bearings

Clevite H-Seriesbearings were developed primarily for use inNASCARtype racing, but are suitable for all types ofcompetition engines.H-Seriesbearings have a medium level of eccentricity, high crush, and rod bearings have a hardened steel back and thin overlay. These bearings also haveenlarged chamfersfor greater crankshaftfillet clearanceand are made without flash plating for better seating.

CB663HN21 is .021″ undersized performance upgrade from factory bearings. Available in std, .001″, .009″, .010,”, .011″, .019″, .020″, .021″ & .030″ undersizes.

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