ACL Race rod bearings are trimetal engine bearings designed to withstand higher RPM conditions. Their combination of design, metallurgy and engineering is intended for demanding engine operation.
The construction improves bearing lining support, bearing retention in the housing and heat transfer. Increased eccentricity helps compensate for bore distortion at high RPM and assists in the formation of hydrodynamic oil films.
- Trimetal construction with a high-strength overlay plate of reduced thickness
- Hardened steel backs on all rod bearings to support the bearing lining and assist with retention in the housing
- Increased crush for improved bearing retention
- No flash plating on the back for improved heat transfer and grip between the bearing and housing
- Increased eccentricity to compensate for bore distortion and assist with hydrodynamic oil film formation
- Rod bearing set
Suitable for: Mazda CX 7 I (ER).
Engines: Cosworth YB, L3-VDT (2.0L, L3-VDTMZR). 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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