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The valve cover seal washers are often neglected as well
Coated surface to prevent corrosion and rust
Select from the drop down menu which size of connector you need
These will only fit RB25DET NEO engines
which utilizes an ignitor chip
Nitto RB Series Crank Collar rb20 oil pump gasket The valve cover seal washersNITTOs 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