CNC-Motorsports offers the best selection of performance engine main bearings. Shop brand names by ACL, Clevite, Daido and King. Our selection of engine main bearings will cover nearly every engine build from 300 horsepower street engines to 2000 plus horsepower race engine applications. Shop A series, P series, H series, and coated engine bearings.
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SEA-129M PART NUMBER
129M Sealed Power Performance Main Bearings - SB Ford - STD Size$120.95Small Block Ford 221, 255, 260, 289, 302 ci V8 - STD Size, Main Bearing Set Learn More -
ACL-5M7292H-STD PART NUMBER
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ACL-5M829HC PART NUMBER
5M829H ACL Performance Race H Series Coated Main Bearings - BB Chevy - STD Size$144.95Big Block Chevy 366, 396, 402, 427 454 ci V8 - STD Size, Coated Main Bearing Set
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ACL-5M829HXC PART NUMBER
5M829HXC ACL Performance Race H Series Coated Main Bearings - BB Chevy +.001 Extra Clearance$162.95Big Block Chevy 366, 396, 402, 427 454 ci V8 - +.001" Extra Clearance, Main Bearing Set, Coated
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KNG-MB556XPN PART NUMBER
MB556XPN King XP High Performance Main Bearings - BB Chevy STD Size$84.95Big Block Chevy, 396, 427, 454 Main, Standard size, Main Bearing Set, XP Performance
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ACL-5M909HC PART NUMBER
5M909HC ACL Performance Race H Series Coated Main Bearings, SB Chevy 350, STD Size$127.95Small Block Chevy 302, 305, 307, 327, 350, V8, - STD Size, Main Bearing Set, Race Series, Coated
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KNG-MB556SI PART NUMBER
MB556SI King SI Performance Main Bearings - BB Chevy STD Size$27.95Big Block Chevy, 396, 427, 454 Main, Standard size, Main Bearing Set, SI Performance
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CLE-MS1344P-10 PART NUMBER
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CLE-MS863P-20 PART NUMBER
MS863P-20 Clevite 77 P series Main Bearings - Ford FE 360 390 428 - .020 Oversize$107.95Ford 360 1976, 390 1961-1976, 428 1966-1970, .020 Oversize, P Series, Main Bearings Set Learn More -
CLE-MS590HX PART NUMBER
MS590HX Clevite 77 H Series Main Bearings - SB ford 289 302 - +.001 Extra clearance$112.95SB Ford 289 302 1968-2001, +.001 Extra Clearance, H Series, Main Bearing Set Learn More

