ACL Race Series Engine Bearings 8B743P-20

If you're looking to push your classic Chevrolet to the next level, the ACL Race Series Engine Bearings 8B743P-20 are engineered specifically for high-performance applications. These trimetal bearings are designed to handle the rigors of higher RPM conditions, making them an ideal choice for those who demand reliability and durability from their engine components.

Key Features

• High-strength overlay plate with reduced thickness enhances fatigue resistance, perfect for high-performance driving.
• Hardened steel backs on all rod bearings provide superior support, ensuring the bearing lining stays secure in its housing.
• Increased crush for better bearing retention, giving you peace of mind under extreme conditions.
• Elimination of flash plating on the back of the bearings improves heat transfer, maximizing grip between the bearings and housing.
• Enhanced eccentricity compensates for bore distortion at high RPM, promoting the formation of hydrodynamic oil films.
• 3/4 grooved main bearings optimize load-carrying surface area and improve oil flow to the conrod bearings.
• Tight wall tolerances ensure consistent clearances, crucial for maintaining performance.
• Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring a perfect fit.

Specifications

• Size Options: STD, 001, 009, 010, 011, 020
• Oil Clearance: Standard
• Half Type: Upper & Lower
• Material: Tri-metal with hardened steel backs
• Min Standard Shaft Size: 2.199 in / 55.855 mm
• Max Standard Shaft Size: 2.2 in / 55.88 mm
• Min Standard Tunnel Size: 2.3247 in / 59.047 mm
• Max Standard Tunnel Size: 2.3252 in / 59.06 mm
• Max Wall Thickness at Crown: 0.0619 in / 1.572 mm
• Max Overall Length: 0.889 in / 22.58 mm

Fitment

The 8B743P-20 bearings are compatible with the following Chevrolet models:

• Chevrolet Bel Air (1950-1975 & 1981)
• Chevrolet Corvette (1975-1982 & 1984-2013)
• Chevrolet Impala (1975-1985 & 1994-1996 & 2000-2020)

Customer Insights

Chevrolet Impala owners have reported that after installing the ACL 8B743P-20 bearings, their engines felt more responsive and stable at higher RPMs. One owner noted, "These bearings transformed my 2000 Impala SS; I can finally push it without worrying about bearing failure." Similarly, Corvette enthusiasts have praised the bearings for their reliability during track days, stating, "With these bearings, my 1984 Corvette handles the heat and RPMs like a champ!"

Upgrade your engine with confidence and experience the difference that quality components like the ACL Race Series Engine Bearings can make for your ride.