Main Bearings

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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  1. SEA-129M PART NUMBER
    ACL-5M590H
    129M Sealed Power Performance Main Bearings - SB Ford - STD Size
    $120.95
    Small Block Ford 221, 255, 260, 289, 302 ci V8 - STD Size, Main Bearing Set Learn More
  2. ACL-5M7292H-STD PART NUMBER
    5M7298H-STD ACL Performance Race H Series Main Bearings - Chevy LS - STD Size (Engine Bearings)
    5M7292H-STD ACL Performance Race H Series Main Bearings - Chevy LT - STD Size
    $157.95

    Chevy Gen V LT - STD Size, Main Bearing Set

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  3. ACL-5M829HC PART NUMBER
    5M829H ACL Performance Race H Series Main Bearings - BB Chevy - STD Size (Engine Bearings)
    5M829H ACL Performance Race H Series Coated Main Bearings - BB Chevy - STD Size
    $144.95

    Big Block Chevy 366, 396, 402, 427 454 ci V8 - STD Size, Coated Main Bearing Set

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  4. ACL-5M829HXC PART NUMBER
    5M829HX ACL Performance Race H Series Main Bearings - BB Chevy +.001 Extra Clearance (Engine Bearings)
    5M829HXC ACL Performance Race H Series Coated Main Bearings - BB Chevy +.001 Extra Clearance
    $162.95

    Big Block Chevy 366, 396, 402, 427 454 ci V8 - +.001" Extra Clearance, Main Bearing Set, Coated

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  5. KNG-MB556XPN PART NUMBER
    MB556XP King XP High Performance Main Bearings - BB Chevy STD size (Engine Bearings)
    MB556XPN King XP High Performance Main Bearings - BB Chevy STD Size
    $84.95

    Big Block Chevy, 396, 427, 454 Main, Standard size, Main Bearing Set, XP Performance

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  6. ACL-5M909HC PART NUMBER
    5M909H ACL Performance Race H Series Main Bearings - SB Chevy- STD Size (Engine Bearings)
    5M909HC ACL Performance Race H Series Coated Main Bearings, SB Chevy 350, STD Size
    $127.95

    Small Block Chevy 302, 305, 307, 327, 350, V8, - STD Size, Main Bearing Set, Race Series, Coated

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  7. KNG-MB556SI PART NUMBER
    MB556XP King XP High Performance Main Bearings - BB Chevy STD size (Engine Bearings)
    MB556SI King SI Performance Main Bearings - BB Chevy STD Size
    $27.95

    Big Block Chevy, 396, 427, 454 Main, Standard size, Main Bearing Set, SI Performance

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  8. ACL-5M909HXC PART NUMBER
    ACL-5M909HX
    5M909HXC ACL Race H Series Coated Main Bearings, SB Chevy 350 +.001 Extra Clearance
    $122.95

    Small Block Chevy 262, 267, 302, 305, 307, 327, 350, V8, +.001" Extra Clearance, Main Bearing Set, Race Series, Calico Coated

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  9. CLE-MS1344P-10 PART NUMBER
    MS1344P-10
    MS1344P-10 Clevite 77 P Series Main Bearings - Chrysler 318 1974-2003 - .010 Oversize
    $78.95
    Chrysler 318 1974-2003, .010 Oversize, P Series, Set of Main Bearings Learn More
  10. CLE-MS863P-20 PART NUMBER
    MS863P-20
    MS863P-20 Clevite 77 P series Main Bearings - Ford FE 360 390 428 - .020 Oversize
    $107.95
    Ford 360 1976, 390 1961-1976, 428 1966-1970, .020 Oversize, P Series, Main Bearings Set Learn More

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