ACL Race main bearings for Renault F4R / F5R / F4RT

ACL Race Series trimetal main bearings are designed for operation at higher engine RPM. The combination of design, metallurgy and engineering supports consistent operation under increased engine loads.

The set includes ACL Race Series main bearings with features suited to performance crankshafts and the formation of a stable hydrodynamic oil film.

• 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 between the bearing and housing
• Increased eccentricity to compensate for bore distortion at high RPM and assist in forming hydrodynamic oil films
• 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: Dacia Duster I (HS), Nissan Primastar I (X83), Opel Vivaro A (X83), Renault Avantime I (DE0), Renault Captur I, Renault Clio II (BB/CB) / III (BR0/1), Renault Duster I (HS), Renault Espace III (JE) / IV (JK0/1), Renault Fluence I (L3/LZ/Z), Renault Grand SC Nic II (JM0/1), Renault Laguna I (B56/K56) / II (BG0/1) / III (BT/DT/KT), Renault Megane I (KA0) / I (LA0) / II (BM/CM/EM/KM/LM) / II (LM0/LM1) / III (BZ0/1) / III (EZ0) / III (Z32), Renault SC Nic I (JA/FA) / II (JM0/1), Renault Trafic II (JL/FL), Renault Vel Satis I (BJ0), Vauxhall Vivaro I (X83).

Engines: F4R, F5R, F4RT (F4RSERIES, F4RTSERIES, F5RSERIES). 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.