ACL Race Series rod bearings are designed for high-performance engines and higher-RPM conditions. Their tri-metal construction combines a high-strength overlay with precise engineering for consistent operation.
Hardened steel backs improve support for the bearing lining and retention in the housing. The set includes ACL Race Series rod bearings.
- High-strength overlay plate with reduced thickness for improved fatigue properties
- Hardened steel backs on all rod bearings
- Increased crush for improved bearing retention in the housing
- No flash plating on the back for improved heat transfer and grip
- Increased eccentricity to compensate for bore distortion at high RPM
Suitable for: Nissan Skyline I (R32), Nissan Stagea II (M35/NM35).
Engines: VQ20DE, RB20DE, RB20DET, VQ30DET, VQ25DE, VQ30DE, VQ25DET. 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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