ACL Race Series Main Bearing Set (Standard) 4M2273H-STD

The ACL Race Series Main Bearing (Part #4M2273H-STD) is a precision-engineered main bearing set designed for high-performance engine applications. These bearings support the crankshaft within the engine block, enabling smooth rotation while handling significant radial and thrust loads. Engineered for optimal oil film retention and wear resistance, ensuring consistent engine performance. Available in Standard size for direct replacement applications requiring OE clearances. Engineered with strict quality control standards to ensure consistent performance and reliable engine operation.

Applicable to: - Alfa Romeo 147 3.2 GTA (939 A.000)
- Alfa Romeo 159 3.2 JTS (939 A.000)
- Alfa Romeo 159 3.2 JTS Q4 (939 A.000)
- Alfa Romeo 159 Sportswagon 3.2 JTS (939 A.000)
- Alfa Romeo 159 Sportswagon 3.2 JTS Q4 (939 A.000)
- Alfa Romeo Brera 3.2 JTS (939 A.000)
- Alfa Romeo Brera 3.2 JTS Q4 (939 A.000)
- Alfa Romeo GT 3.2 GTA (939 A.000)
- Alfa Romeo Spider 3.2 JTS (939 A.000)
- Alfa Romeo Spider 3.2 JTS Q4 (939 A.000)
- Cadillac CTS 2.8 (LP1 (HFV6))
- Cadillac SRX 2.8 AWD (LAU (HFV6))
- Buick La Crosse 3.0 (LF1 (HFV6))
- Buick La Crosse 3.0 AWD (LF1 (HFV6))
- Buick Allure 3.0 (LF1 (HFV6))
- Buick Allure 3.0 AWD (LF1 (HFV6))
- Cadillac CTS 3.0 (LF1 (HFV6))
- Cadillac CTS 3.0 AWD (LF1 (HFV6))
- Cadillac CTS Coupe 3.0 (LF1 (HFV6))
- Cadillac CTS Coupe 3.0 AWD (LF1 (HFV6))
- Cadillac CTS Sport Wagon 3.0 (LF1 (HFV6))
- Cadillac CTS Sport Wagon 3.0 AWD (LF1 (HFV6))
- Cadillac SRX 3.0 (LF1 (HFV6))
- Cadillac SRX 3.0 AWD (LF1 (HFV6))
- Chevrolet Captiva 3.0 AWD (LF1 (HFV6))
- Chevrolet Captiva Sport 3.0 (LF1 (HFV6))
- Chevrolet Captiva Sport 3.0 AWD (LF1 (HFV6))
- Chevrolet Equinox 3.0 (LF1 (HFV6))
- Chevrolet Equinox 3.0 AWD (LF1 (HFV6))
- Buick La Crosse 3.6 (LFX (HFV6))