H Series Main Bearing Set STD With .001" Extra Clearance CLMS2258HX STD 149-186 This new manifold is cast

This new manifold is cast with 3/8" more material in the corners of the ports for a final radius of 3/4"

Aeroflow now offer a powerful performance upgrade for the GM LS Engine

0L L4 DSL - All 2014 VOLVO V70 III 2

Has clearance for HEI distributor

2L V8 DSL - All 1993 GMC C1500 6

H Series Main Bearing Set STD With .001" Extra Clearance CLMS2258HX STD 149-186 This new manifold is castH Series Main Bearing Set STD With . 001" Extra ClearanceSuit Suabru WRX STI EJ20, EJ22, EJ25 CLMS2258HX STD MS2258HX STD H Series Bearings These bearings are identified by a letter H in the part number suffix. Part numbering is based on the same core number as the standard passenger car parts for the same application. These bearings were developed primarily for use in NASCAR type racing, but are suitable for all types of competition engines. H series