Let’s be honest—when it comes to engine internals, bearings aren’t exactly glamorous. But just like socks in your gym bag, you really don’t want to be caught without the right ones. Enter the Clevite H-Series Main Bearings: made for NASCAR engines but just as comfy living in your wild HEMI street car or weekend warrior build.
These tri-metal TM-77 bad boys were designed to handle medium-to-high RPM abuse with zero complaints. They’ve got a steel backing, a high crush factor (which sounds like a wrestling move but is actually a good thing for bearing retention), and a smart dose of eccentricity to keep things spinning smoothly under stress. Basically, they’re like your friend who somehow thrives under pressure and still remembers everyone’s birthday.
They feature enlarged side chamfers to clear big-boy crankshaft fillets and skip the flashy coatings for better seating out of the box. And yeah, there’s a 1/2 groove on the upper shell for improved oiling when things get rowdy. Whether you’re ripping gears on the drag strip or revving to the moon in a road course build, these bearings don’t back down.
Sold as a set of five, these bearings do require a thrust washer set (not included—we recommend Clevite TW-611S). Trust us, your crankshaft will thank you.
So if you want bearings that show up, shut up, and do the job with zero drama, this is the set for you. Your RPM-happy HEMI will be all the better for it.
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