Clevite 77

MS1038HX

Clevite MS1038HX Main Bearing Set

EAN: 0027067641755

UPC: 027067641755

SKU: MS1038HXCKC

Main Bearings

CLEVITE MS1038HX CLEVITE77 MS1038HX MAIN BEARING SET CHEV V8 400 1970 80

General Motors Clevite H-Series 77, Tri-Metal Main Bearing Set fits the following:400 CID (6.6L) Chevrolet V8 cylinder 1970-1980 (High Performance).NOTE: Engines Using 400 Crankshaft, H-Series Performance, Bearing Walls .0005 Thinner For .0010 More Oil Clearance, Grooved Upper Halves Plain Lower Halves.Clevite HX-series bearings with extra clearance. High performance bearing (on main sets this indicates partial groove).Clevite Main Bearing Set part number: MS1038HX (Standard)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 bearings have a medium level of eccentricity, high crush, and main bearings have a hardened steel back and thin overlay. These bearings also have enlarged chamfers for greater crankshaft fillet clearance and are made without flash plating for better seating. Bearings with .001 extra clearance are available for standard size shafts and carry the suffix HX (X = extra clearance).Main bearings are available with standard 180 degrees upper half grooving and with full 360 degrees grooving (H = 180 degrees, HG 360 degrees). 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 patterns should ideally cover 2/3 to 3/4 of the bearing surface. See accompanying contact pattern diagrams. If you arent sure which type of performance bearing to start with, the H series bearing will be your best choice.Please note: Some H series bearings will no longer be available with enlarged chamfers. Instead, th

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