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These Sealed Power MA Series main bearings can actually polish the journals on your crankshaft. That's because there's a small percentage of silicon mixed in with the aluminum and tin that make up the bearing-surface alloy. The silicon is there for wear resistance, but its toughness actually smoothes the journals of a crank whose surface hasn't been optimized! This special surface alloy is laid over a high-strength 1010 steel backing and delivers improved seizure and corrosion resistance, as well as better control of wall variance. It also helps to minimize debris embedding, which can score the crank's surface.
( 76 )
$117.99
$99.50
Clearance
ACL direct replacement rod bearing sets are affordable, high-quality bearings expertly made from premium materials and engineered to match your exact requirements. They are offered in the Aluglide and Duraglide Series of bearings in numerous sizes, including standard, and covering a vast range of automotive gas engines, as well as diesel applications. Select the set desired for your build. ACL Aluglide bi-metal bearings are designed with a proprietary composition of aluminum, tin, and silicon combined with a steel backing to provide exceptional wear resistance, outstanding strength, and excellent load-carrying characteristics. ACL Duraglide bearings feature a tri-metal (copper/lead/alloy) design that provides a combination of high strength and the ability to withstand harsh/demanding operating conditions above casual driving, making them ideal for performance engines and rebuilds.
( 1 )
$10.99
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$31.99
$4.50
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$17.50
Clearance
King SI-Series main bearings are recommended for OE applications. These replacement bearings are designed for aftermarket gasoline or diesel engine rebuilding—and performance engines with factory crankshafts. The bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. King SI-Series main bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow. Order the bearing set designed for fitment on your make and model.
( 82 )
$35.99
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$106.99
$19.50
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$51.50
Clearance
For high load applications, King SM-Series rod bearings contain the strongest aluminum-based material offered by King. The alloy is strengthened by the addition of manganese and chromium. King SM-Series connecting rod bearings feature a traditional steel-backing, plus an aluminum bonding layer and the aluminum bearing alloy. These replacement sets are available for a variety of vehicle applications.
( 1 )
$96.99
$39.50
Clearance
For some engines, the softer and more conformable nature of aluminum is preferable to the stiffer characteristics of the steel backings used for many bearings. Clevite AL-Series main bearings offer the features found in OE-type aluminum bearings, combined with the distinct advantages of proven Clevite know-how. That includes things such as carefully chosen eccentricities tailored to the application, and that means solid, reliable performance. Clevite AL-Series main bearings are a great choice for anything from OEM-style rebuilds to mild performance applications. Clevite recommends these main bearings for most engines using a cast crankshaft.
( 10 )
$37.99
$31.50
Clearance
When you need quality crankshaft main bearings, Crown Automotive has direct replacement parts for a wide array of Jeep, Chrysler, Plymouth, and Dodge applications. Your engine bearings do many things—supporting moving parts from being damaged. Improper bearing selection can result in problems ranging from poor oil consumption to engine failure. Ensure that you're getting the proper bearings for your vehicle; choose Crown.
( 1 )
$52.99
$40.50
Clearance
Mopar Replacement crankshaft main bearings are direct-fit OEM replacements that will provide the matching fit and function of your originals. Worn bearings cause poor operation and unwanted noises. For the most dependable and reliable service of your Chrysler, Dodge, or Jeep vehicle, you want genuine Mopar engine crankshaft main bearings to restore proper performance. Order the part application designed for your Mopar vehicle.
Not Yet Reviewed
$26.99
$10.50
Clearance
Mopar Replacement connecting rod bearings are direct-fit OEM replacements that will provide the matching fit and function of your originals. Worn bearings can cause poor operation and unwanted noises. For the most dependable, reliable service of your Chrysler, Dodge, or Jeep vehicle, choose genuine Mopar crankshaft main bearings to restore performance.
Not Yet Reviewed
$19.99
$8.50
Clearance
ACL direct replacement main bearing sets include their Aluglide and Duraglide Series of bearings in numerous sizes, including standard, and covering a vast range of automotive gas engines, as well as diesel applications. ACL Aluglide bearings are designed with a proprietary composition of aluminum, tin, and silicon combined with a steel backing to provide exceptional wear resistance, outstanding strength, and excellent load-carrying characteristics. ACL Duraglide bearings feature a tri-metal (copper/lead/alloy) design that provides a combination of high strength and the ability to withstand harsh/demanding operating conditions above casual driving, making them ideal for performance engines and rebuilds. Affordable, high-quality engine bearings expertly made from premium materials and engineered to match your exact requirements, ACL main bearing sets. Select the set designed for your engine.
( 1 )
$13.99
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$24.99
$6.50
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$12.50
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