ACL Race Series main bearings are tri-metal engine bearings designed for higher RPM conditions. Their construction combines a high-strength overlay plate with a steel back.
The design supports consistent retention in the housing and the formation of hydrodynamic oil films. The set includes ACL Race Series main bearings.
- High-strength overlay plate with reduced thickness for improved fatigue properties
- Increased crush for improved bearing retention in the housing
- Elimination of flash plating on the back for improved heat transfer and grip in the housing
- Increased eccentricity to compensate for bore distortion at high RPM
- 3/4-grooved main bearings to optimize bearing load-carrying surface area and oil flow
- Tight, consistent wall tolerances to help maintain consistent clearances
Suitable for: Ford Capri I (ECJ) / II (GECP), Ford Cortina I / V (E/MK5), Ford Escort MK (III/GAA) / MK (IV/GAF/ALF) / MK (V/ALL/AAL/ABL) / MK (V/TURNIER/ANL) / MK (VI/GAL/AAL/ABL) / MK (VI/TURNIER/GAL).
Engines: Kent, Cosworth BDA (BDA, BDB, BDC, 116E, 1.3L2735E, 751M). Please check your vehicle’s engine code (registration document or VIN) before ordering; if in doubt, contact us and we will check for you.
Sizes
STD is the standard size for an unground crankshaft. Undersizes (−0.25 mm, −0.50 mm …) are for a reground crank, and “+0.025 mm clearance” (X) is for highly stressed engines. Your machine shop chooses the size after measuring.

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