ACL Race main bearings are trimetal engine bearings designed for operation at higher RPM. Their construction combines a high-strength overlay plate with tight, consistent wall tolerances to help maintain consistent clearances.
Increased eccentricity helps compensate for bore distortion at high RPM and supports 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
- 3/4-grooved main bearings to optimize bearing load-carrying surface area and oil flow
- Enlarged ID chamfers to accommodate large fillet radii on performance crankshafts
Suitable for: Citroën Berlingo II (ER/EC), Citroën C3 Picasso I (SH), Citroën C3 II (SC), Citroën C4 Cactus I, Citroën C4 Grand Picasso I, Citroën C4 Picasso I (UD), Citroën C4 I (L/LA/LC) / II (B7), Citroën C5 II (RD), Citroën DS3 I (S/S), Citroën DS4 I (N), Citroën DS5 I (K), DS 3 I (S), DS 4 I (N) / II (F/FB/F3), DS 7 I, DS 9 I (X2), DS DS5 I (KF) and 13 more.
Engines: EP6, EP6/Prince, 1.6 PureTech Hybrid, DGX, DGY, 5GB, 1.6 PureTech (5FK, 5FS, 5FW, 5FP, 5GY, 5FT, 5FX, 5FV, 5GZ, 5FE, 5FM, 5FR, DGX, 5GF, 5GX, 5FN, 5FD, 5FF, 5FU, 5GR, 5GW, 5GM, 5GG, DGZ …). 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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