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Left and right are identical
It would be a shame to finish up the timing belt job
Coated surface to prevent corrosion and rust
These will only fit RB25DET NEO engines
Nitto RB Series Crank Collar rb20 oil pump gasket Left and right are identicalNITTOs RB series crankshaft collar was specifically developed to be used on RB series crankshafts that have the factory narrow oil pump drive on the crankshaft snout. Most earlier RB series engines have the crankshafts with the narrow oil pump drive. This becomes a major problem when upgrading your oil pump to the commonly used wider gear type pumps as the contact area from the drive to the oil pump gear was minimal. This caused either the drive to