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 1970-1980 S/B Chevy 400 c.i. V-8 engines.

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.

Charts

H-Series Features (JPG)

Guides & Documents

Crankshaft Main Bearings Technical Information (757M1038HK)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Specifications

KEY SPECS
MFG. Part #	Select Size to see
Brand	Clevite
Main Journal Style	400 mains
Bearing Undersize	Select Size to see
Bearing Construction	Tri-metal

GENERAL
Bearing Usage	Performance
Grooved Bearing	Yes
Groove Location	Upper
Groove Style	1/2
Sold in Quantity	Set
Narrowed Bearing	Yes
Notes	SOLD AS A QUANTITY OF 16

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