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Vehicle Info NeededACL BEARINGSPART NUMBER: 654-4B4390H-STD
4B4390H-STD Race Connecting Rod Bearing Set, Standard Size, Mazda LF MZR (2.0L) 1998cc Inline4 DOHC 4v
$4199
Ships on 11/02/2026
Lowest Price GuaranteeMazda
Race Connecting Rod Bearing SetStandard Size Mazda LF MZR (2.0L) 1998cc Inline4 DOHC 4v Set of 4
ACL Bearings 4B4390H-STD Features:
Trusted by champions worldwide, ACL RACE Series Bearings are the choice for record-setting engines from sport compact to small block race machines. Engineered w/a unique blend of design, metallurgy, and precision manufacturing, these Bearings deliver unmatched durability and performance under extreme conditions.
- Width: 0.6398 in.
- Outside Diameter: 1.9695 in.
- Outside Diameter: 1.9703 in.
- Shaft Diameter: 1.8504 in.
- Shaft Diameter: 1.8496 in.
- Grade Type: Performance
- Maximum Wall Thickness: 0.0592 in.
Part TypeConnecting Rod Bearing Set
BrandACL BEARINGS
Package Height0.98
Package Width0.6398 in.
Package Length3.82
Weight0.31 PG
Part CategoryPerformance Parts
Maximum Wall Thickness0.0592 in.
Shaft Diameter1.8504 in.
Part FitmentDirect Fit
Outside Diameter1.9695 in.
Grade TypePerformance
Vendor Part Number4B4390H-STD
Package Qty1
Package TypeEA
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