These nine rod main bearing kits deliver durability, precise fit, and reliable oil control for common rebuilds.
I cover options for Toyota, Hyundai, Kia, Chevy small-block, and LS families.
You’ll get clear notes on materials, journal tolerances, and fitment specifics.
I also include practical installation tips that prevent costly mistakes and keep engines quiet and long-lived.
| Evergreen Crankshaft Main & Rod Bearings for Toyota/Lexus |
| Performance-Oriented | Fitment / Engine Application: Toyota/Lexus 3.0L & 3.4L (3VZFE, 5VZFE) | Included Bearing Types: Crankshaft main bearings + connecting rod bearings | Size / Clearance Type: Standard size | VIEW LATEST PRICE | Read Our Analysis |
| Connecting Rod & Main Bearing Set for 2012-2017 Accent/Soul |
| Model-Specific Fit | Fitment / Engine Application: Hyundai/Kia 1.6L (Accent, Rio, Soul, Veloster) 2012–2017 | Included Bearing Types: Connecting rod bearings + crankshaft main bearings (set) | Size / Clearance Type: Standard (fits specified 1.6L engines) | VIEW LATEST PRICE | Read Our Analysis |
| Main & Rod Bearing Set for Kia/Hyundai 2.0/2.4L |
| Precision Fitment | Fitment / Engine Application: Hyundai/Kia 2.0L Turbo & 2.4L GDI (Sonata, Tucson, Optima, Sorento, Sportage, etc.) | Included Bearing Types: Main bearings + rod bearings (set) | Size / Clearance Type: Standard clearance | VIEW LATEST PRICE | Read Our Analysis |
| Main & Rod Bearing Kit for Chevy SBC V8 |
| Classic Chevy Fit | Fitment / Engine Application: Chevy Small-Block V8 (350, 305, 327, 307) 1968–2002 | Included Bearing Types: Main bearings + connecting rod bearings (kit) | Size / Clearance Type: Standard (specified for listed SBC journal sizes) | VIEW LATEST PRICE | Read Our Analysis |
| XQSMWF Main Rod Bearing Set for Hyundai Kia |
| Full Coverage Set | Fitment / Engine Application: Hyundai/Kia 2.0L & 2.4L (Sonata, Santa Fe Sport, Optima, Sorento, Sportage, etc.) | Included Bearing Types: Main bearings + rod bearings (18-piece set) | Size / Clearance Type: Standard (fits specified 2.0/2.4L engines) | VIEW LATEST PRICE | Read Our Analysis |
| STD Main & Rod Bearings Kit for Chevy SBC V8 |
| Standard Replacement | Fitment / Engine Application: Chevy Small-Block V8 (5.7L/350, 5.0L/305/302 large-journal, 327, 307) 1968–2002 | Included Bearing Types: Main bearings + rod bearings (STD kit) | Size / Clearance Type: Standard (STD main & rod bearings; 2.450 in journal where applicable) | VIEW LATEST PRICE | Read Our Analysis |
| King Rod and Main Bearing set for LS engines including 4.8L 5.3L 6.0L V8 |
| LS-Series Specialist | Fitment / Engine Application: GM LS-series V8 engines (4.8L, 5.3L, 6.0L) | Included Bearing Types: Rod bearings + main bearings (set) | Size / Clearance Type: Standard size (oversize available on request) | VIEW LATEST PRICE | Read Our Analysis |
| Main & Rod Bearing Kit with Piston Rings for Chevy LS |
| Complete Rebuild Kit | Fitment / Engine Application: GM Chevy LS Gen III/IV V8 (4.8L, 5.3L — many truck/car codes listed) | Included Bearing Types: Main bearings + rod bearings (kit) — also includes piston rings | Size / Clearance Type: Standard (STD crankshaft journal; standard bore 3.78 in) | VIEW LATEST PRICE | Read Our Analysis |
| Rod and Main Bearing Kit for Chevy LS Engines |
| Heavy-Duty Reliability | Fitment / Engine Application: Chevy LS-series engines (LS1, LS3 and 4.8L–6.2L family; selected 1997–2013 models) | Included Bearing Types: Rod bearings + main bearings (kit) | Size / Clearance Type: Standard (OE-style replacements; check dimensions) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Evergreen Crankshaft Main & Rod Bearings for Toyota/Lexus
Should you drive or rebuild Toyota and Lexus 3.0L or 3.4L engines like the 3VZFE and 5VZFE, Evergreen crankshaft main and rod bearings are built for you. You’ll find crankshaft main and conrod bearings that fit Camry and Lexus engines in standard sizes. They use a high-strength overlay plate with reduced thickness so fatigue resistance improves. Hardened steel backs on rod bearings give better support and help keep linings seated. Removing flash plating enhances heat transfer and grip to the housing. Design tweaks raise crush and eccentricity to aid oil-film formation and load distribution at high rpm.
- Fitment / Engine Application:Toyota/Lexus 3.0L & 3.4L (3VZFE, 5VZFE)
- Included Bearing Types:Crankshaft main bearings + connecting rod bearings
- Size / Clearance Type:Standard size
- Material / Construction Quality:High-strength overlay plate; hardened steel backs; improved heat transfer (no flash plating)
- Performance / Durability Benefits:Improved fatigue resistance, better retention/support, enhanced heat transfer, improved oil-film formation
- Seller / Brand Support / Notes:Product-level design notes (Evergreen) — performance-focused engineering details
- Additional Feature:Increased crush retention
- Additional Feature:Increased eccentricity design
- Additional Feature:Eliminated flash plating
Connecting Rod & Main Bearing Set for 2012-2017 Accent/Soul
Should you own a 2012–2017 Accent, Rio, Soul, or Veloster with the 1.6L engine and want a dependable, ready-to-install bearing set, this Connecting Rod and Crankshaft Main Bearing Set is built for you. You’ll get cycwer quality with part qikegui-21020-2B100 that replaces OE numbers like 21020-2B100 and 23060-2B100. The set fits the 1.6L DOHC I4 engines and weighs about 12.3 ounces. Inspect compatibility and follow standard installation steps for a smooth fit and long life. The seller offers support and warranty details, and the set ships in compact packaging for easy handling.
- Fitment / Engine Application:Hyundai/Kia 1.6L (Accent, Rio, Soul, Veloster) 2012–2017
- Included Bearing Types:Connecting rod bearings + crankshaft main bearings (set)
- Size / Clearance Type:Standard (fits specified 1.6L engines)
- Material / Construction Quality:High-quality materials; solid durable construction (manufacturer claim)
- Performance / Durability Benefits:Stable performance, reliable and long-lasting (inspection-backed)
- Seller / Brand Support / Notes:Brand: CYCWER (cycwer); seller provides customer service, 30-day return guidance, warranty info
- Additional Feature:Multiple OE replacements
- Additional Feature:Compact package size
- Additional Feature:Amazon 30-day return
Main & Rod Bearing Set for Kia/Hyundai 2.0/2.4L
While rebuilding or repairing a Hyundai or Kia 2.0L turbo or 2.4L GDI engine, these Main and Rod Bearing Sets are the smart choice because they match factory fit and strength while keeping tolerances tight for long life. You’ll get ARMKER quality in high strength metal with precision manufacturing and standard clearance. That means reduced wear and reliable performance during rebuilds and repairs. Fitment covers many Sonata, Tucson, Santa Fe Sport, Optima, Sorento, and Sportage years and engines. You can check part numbers like 21020-2G020 or 23060-2G400. Contact ARMKER for fitment help and reassurance.
- Fitment / Engine Application:Hyundai/Kia 2.0L Turbo & 2.4L GDI (Sonata, Tucson, Optima, Sorento, Sportage, etc.)
- Included Bearing Types:Main bearings + rod bearings (set)
- Size / Clearance Type:Standard clearance
- Material / Construction Quality:High-strength metal; precision manufacturing
- Performance / Durability Benefits:Minimizes wear; reliable engine performance for rebuilds/repairs
- Seller / Brand Support / Notes:Brand: ARMKER; seller provides support and fitment assistance
- Additional Feature:Fits Turbo engines
- Additional Feature:Multiple reference numbers
- Additional Feature:Brand: ARMKER
Main & Rod Bearing Kit for Chevy SBC V8
Provided that you want reliable, long-lasting bearings for a Chevy small-block V8, this Main and Rod Bearing Kit is an ideal pick for DIY mechanics and pro rebuilders alike. You’ll fit it to 350, 305, 327, or 307 engines from 1968 to 2002 without guesswork. The kit replaces common OEM numbers and gives you 10 main bearings plus 16 rod bearings for a full job. Made from high-hardness alloy, the bearings resist wear and high heat, so your crank spins smoothly under load and at higher rpm. You’ll notice less noise and steadier engine performance after installation.
- Fitment / Engine Application:Chevy Small-Block V8 (350, 305, 327, 307) 1968–2002
- Included Bearing Types:Main bearings + connecting rod bearings (kit)
- Size / Clearance Type:Standard (specified for listed SBC journal sizes)
- Material / Construction Quality:High-hardness alloy material; wear- and high-temp-resistant
- Performance / Durability Benefits:Reduces wear; maintains stability at high speed/heavy load; extends service life
- Seller / Brand Support / Notes:Generic/aftermarket kit (brand unspecified); offered as direct replacement for many part numbers
- Additional Feature:Includes 10 mains
- Additional Feature:Includes 16 rods
- Additional Feature:Noise-reduction focus
XQSMWF Main Rod Bearing Set for Hyundai Kia
Should you own a Hyundai or Kia with a 2.0L or 2.4L engine and want dependable, shop-ready main bearings, the XQSMWF 18-piece main rod bearing set is made to fit those needs and save you time in the garage. You’ll get bearings that match OEM numbers like 21030-25000 and 23060-2G401, so you can confirm fit for Santa Fe, Sonata, Tucson, Optima, Sorento, and Sportage models. The set ships after multiple inspections and strict quality checks. You can request professional tutorials and support until installation runs smoothly. Check year, model, and engine against part numbers before installing.
- Fitment / Engine Application:Hyundai/Kia 2.0L & 2.4L (Sonata, Santa Fe Sport, Optima, Sorento, Sportage, etc.)
- Included Bearing Types:Main bearings + rod bearings (18-piece set)
- Size / Clearance Type:Standard (fits specified 2.0/2.4L engines)
- Material / Construction Quality:High-quality metal; inspected; multiple QC checks
- Performance / Durability Benefits:Quality-controlled for longevity; multiple inspections to ensure durability
- Seller / Brand Support / Notes:Brand: XQSMWF; inspections, installation support and tutorials available on request
- Additional Feature:18-piece complete set
- Additional Feature:Pre-shipment inspections
- Additional Feature:Installation tutorials available
STD Main & Rod Bearings Kit for Chevy SBC V8
Should you’re rebuilding a Small Block Chevy V8 and want a reliable, ready-to-install bearing set that won’t let you down, this STD Main and Rod Bearings Kit is a strong choice for 1968 through 2002 SBC engines. You’ll appreciate the standard 2.450 inch main journal fit and bimetal aluminum-silicon alloy construction that matches OE specs. It includes one main and one rod set, fits many Camaro, Corvette, Tahoe and other models, and offers precise standard clearance to cut wear during normal driving. Armker backs it with one-year unlimited-mileage support, so you can call with questions.
- Fitment / Engine Application:Chevy Small-Block V8 (5.7L/350, 5.0L/305/302 large-journal, 327, 307) 1968–2002
- Included Bearing Types:Main bearings + rod bearings (STD kit)
- Size / Clearance Type:Standard (STD main & rod bearings; 2.450 in journal where applicable)
- Material / Construction Quality:Bimetal aluminum-silicon alloy (standard)
- Performance / Durability Benefits:Precision clearance for reduced wear; stable mid-load operation
- Seller / Brand Support / Notes:Brand: Armker; one-year unlimited-mileage support advertised
- Additional Feature:2.450 in journal
- Additional Feature:Bimetal Al‑Si alloy
- Additional Feature:One-year support
King Rod and Main Bearing set for LS engines including 4.8L 5.3L 6.0L V8
In case you want dependable bearings that fit 4.8L, 5.3L, and 6.0L LS V8 engines, the King Rod and Main Bearing set delivers professional-level quality and ease of fit for most stock to mildly built engines. You’ll get standard size bearings ready for direct swap, and that makes installation simple whenever you’re rebuilding or refreshing an LS block. In case your crank needs oversize shells, message the seller right away so they can supply correct sizes. In case King is out of stock, they might offer Clevite A Series or ACL Brand A Series as substitutes, so verify brand and details initially.
- Fitment / Engine Application:GM LS-series V8 engines (4.8L, 5.3L, 6.0L)
- Included Bearing Types:Rod bearings + main bearings (set)
- Size / Clearance Type:Standard size (oversize available on request)
- Material / Construction Quality:High-strength bearing construction (standard King quality implied)
- Performance / Durability Benefits:Engineered for standard fit/durability; seller can provide alternatives for oversize needs
- Seller / Brand Support / Notes:Brand: King; seller will substitute Clevite or ACL if out of stock; contact for oversize
- Additional Feature:LS-specific compatibility
- Additional Feature:Standard-size included
- Additional Feature:Oversize on request
Main & Rod Bearing Kit with Piston Rings for Chevy LS
Should you want a direct-fit bearing and ring set that makes an engine rebuild simple and reliable, this Main and Rod Bearing Kit with Piston Rings is a smart choice for Chevy LS owners. You’ll get STD main and rod bearings plus piston rings sized for 3.78 inch bores. It fits GM Chevy LS Gen III and IV 4.8L and 5.3L engines including codes LR4, LY2, LM7 and others. The rings measure 1.5 mm, 1.5 mm, and 3.0 mm. Built from high strength alloys, it meets OEM clearances for lasting wear. It ships compact, weighs 2.35 pounds, and offers easy direct installation.
- Fitment / Engine Application:GM Chevy LS Gen III/IV V8 (4.8L, 5.3L — many truck/car codes listed)
- Included Bearing Types:Main bearings + rod bearings (kit) — also includes piston rings
- Size / Clearance Type:Standard (STD crankshaft journal; standard bore 3.78 in)
- Material / Construction Quality:High-strength metal alloys; OEM-spec materials
- Performance / Durability Benefits:Precise clearances to reduce wear; built to OEM specs for long service life
- Seller / Brand Support / Notes:Brand: GDUKOP; warranty/returns via seller/Amazon, product logistics info provided
- Additional Feature:Includes piston rings
- Additional Feature:Specific ring dimensions
- Additional Feature:Direct-fit OEM spec
Rod and Main Bearing Kit for Chevy LS Engines
Provided you want a dependable, OE-style rebuild for your Chevy LS engine, this rod and main bearing kit is a great pick for DIY mechanics and professional shops tackling 1997 to 2013 LS series motors. You’ll find bearings that fit LS1, LS3 and 4.8L through 6.2L displacements, though you should double-check dimensions for your exact motor. The kit replaces MS2199P, MB5293SI, CB-663P, CR807SI and gives OE-style parts for easy installation. Made from high-strength alloy, the bearings resist wear, heat, and corrosion while reducing friction and protecting your crankshaft and rods for long term reliable operation.
- Fitment / Engine Application:Chevy LS-series engines (LS1, LS3 and 4.8L–6.2L family; selected 1997–2013 models)
- Included Bearing Types:Rod bearings + main bearings (kit)
- Size / Clearance Type:Standard (OE-style replacements; check dimensions)
- Material / Construction Quality:High-strength alloy; wear- and high-temp-resistant
- Performance / Durability Benefits:Reduces friction and wear; designed for stable operation under high temp/pressure
- Seller / Brand Support / Notes:Aftermarket supplier (brand unspecified); factory quality testing and support implied
- Additional Feature:OE cross-reference matches
- Additional Feature:Wide LS model coverage
- Additional Feature:High‑temp corrosion resistant
Factors to Consider When Choosing Rods Main Bearings
Upon selecting rod and main bearings, start initially checking material and construction so you know how they’ll handle stress and wear. Next consider fitment, load capacity, oil clearance, and how easy they’ll be to install and maintain, since these factors work together to keep your engine running smoothly. I’ll walk you through each point in plain terms so you can make a confident choice that fits your build and driving style.
Material And Construction
Pick the right materials and construction up front, and you’ll avoid a lot of trouble later on. You want bearings built with a sturdy steel backing and a softer overlay like aluminum-tin or copper-lead. That combo gives support and a forgiving surface that protects the crankshaft. Thicker, softer overlays help the bearing conform and trap debris, but they lower raw load capacity, so balance matters.
Also watch backing type. Hardened or stamped steel keeps the shell stable under heavy loads and helps the lining stay put. Good metal-to-metal contact improves heat transfer to the block, so skip insulating finishes that trap heat. Finally, observe design features such as crush and load area. They come from material choice and shape, and they help retention, offset bore distortion, and form a steady oil film at high RPM.
Fitment And Compatibility
Start through confirming the exact engine family, displacement, and year range so you don’t install bearings that look right but won’t fit. You’ll want to match journal diameters and housing tolerances between engine variants, like 2.0L versus 2.4L or I4 versus V8. Next, verify the specific engine code or casting number because mid cycle revisions often change sizes or cap designs. Also measure crankshaft journals to see whether standard or undersize bearings are required after machining. Make sure bearing design, shell count per journal, thrust provision, and eccentricity match your block and crank so oil clearance and thrust control stay correct. Cross reference OEM part numbers and shop specs rather than just the vehicle name to avoid costly mismatches.
Load Capacity And Durability
Because your engine sees huge forces every time it fires, you need bearings that can carry heavy loads without failing, and you want reassurance they’ll last under real use. You should pick materials and overlay thickness that enhance fatigue resistance so the bearing handles sustained loads. Also look for hardened backs or bimetal support and increased crush to hold the shell tight and spread loads evenly, which cuts brinelling risk. Design choices like slightly increased eccentricity and larger load surfaces help the bearing form a stable oil film at high rpm, so the part supports peak demands. Pay attention to operating clearances and journal size control because correct fit lowers contact pressure. Finally secure good metal contact with the housing for heat transfer to avoid thermal fatigue.
Oil Clearance And Flow
Once you fit rod main bearings, oil clearance and flow decide how well the crank will stay cool, quiet, and long-lived. You need the right clearance, usually about 0.0015 to 0.0035 inch for many passenger engines, so the oil can form a steady film between bearing and journal. Too tight and the film vanishes as parts heat and expand; seizure risk rises. Too loose and oil pressure drops, vibration grows, and fatigue wear follows. Bearing shape, overlay thickness, and contact area change local film thickness at high rpm, so match those to your load. Also keep oil passages and bearing feeds clear and aligned so lubricant reaches journals without starvation. Account for operating temperature, oil viscosity, and RPM whenever you pick clearances.
Installation And Maintenance
After you’ve set correct clearances and confirmed oil flow, installation and maintenance take over as the parts of the build that will determine how long your rod bearings last and how quietly your engine will run. You’ll start commencing by cleaning crank journals, bearing bores, and oil passages until they’re spotless and free of debris or scoring. Next, measure clearance with plastigage or micrometer and bore gauge to match the maker’s specs, usually 0.0015″ to 0.004″ depending on journal size. Torque rod-cap bolts in the maker’s sequence and use new or stretch bolts provided that required, re-torquing or angle-turning per procedure. Spin the crank by hand to check smooth rotation. Throughout service, monitor oil pressure, watch for metal in oil and knocking, and replace bearings should wear or scores appear.
