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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ACL-5M909H-10 PART NUMBER
5M909H-10 ACL Performance Race H Series Main Bearings, SB Chevy 350, .010 Oversize$73.95
Small Block Chevy 305, 307, 327, 350 V8, .010" Oversize, Main Bearing Set, Race Series Learn More -
ACL-5M909H-11 PART NUMBER
5M909H-11 ACL Performance Race H Series Main Bearings, SB Chevy 350 .011 Oversize$73.95
Small Block Chevy 262, 267, 302, 305, 307, 327, 350, V8, .011" Oversize, Main Bearing Set, Race Series Learn More -
ACL-5M909H-20 PART NUMBER
5M909H-20 ACL Performance Race H Series Main Bearings, SB Chevy 350 .020 Oversize$73.95
Small Block Chevy 302, 305, 307, 327, 350, V8, .020" Oversize, Main Bearing Set, Race Series Learn More -
ACL-5M909HX PART NUMBER
5M909HX ACL Performance Race H Series Main Bearings, SB Chevy 350 +.001 Extra Clearance$73.95
Small Block Chevy 262, 267, 302, 305, 307, 327, 350, V8, +.001" Extra Clearance, Main Bearing Set, Race Series Learn More -
ACL-7M2394H PART NUMBER
7M2394H ACL Performance Race H Series Main Bearings - Nissan - STD Size$94.95
Nissan RB20DET, RB25, RB25DET, RB30, RB30S, SR20DE, SR20DET - STD Size, Main Bearing Set Learn More -
ACL-7M2394H-025 PART NUMBER
7M2394H-025 ACL Performance Race H Series Main Bearings - Nissan - .025mm Oversize$94.95
Nissan RB20DET, RB25, RB25DET, RB30, RB30S, SR20DE, SR20DET - .025mm Oversize, Main Bearing Set Learn More -
ACL-7M2394H-25 PART NUMBER
7M2394H-25 ACL Performance Race H Series Main Bearings - Nissan - .25mm Oversize$94.95
Nissan RB20DET, RB25, RB25DET, RB30, RB30S, SR20DE, SR20DET - .25mm Oversize, Main Bearing Set Learn More -
ACL-7M2394H-50 PART NUMBER
7M2394H-50 ACL Performance Race H Series Main Bearings - Nissan - .50mm Oversize$94.95
Nissan RB20DET, RB25, RB25DET, RB30, RB30S, SR20DE, SR20DET - .50mm Oversize, Main Bearing Set Learn More -
ACL-7M2394HX PART NUMBER
7M2394HX ACL Performance Race H Series Main Bearings - Nissan - +.001 Extra Clearance$94.95
Nissan RB20DET, RB25, RB25DET, RB30, RB30S, SR20DE, SR20DET - +.001" Extra Clearance, Main Bearing Set Learn More -
ACL-7M2428H PART NUMBER
