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Race Engineering’s long rod/short piston combination means the wristpin hole extends into the groove for the oil ring. To prevent the oil ring spacer from rotating, it has a small dimple that must be placed in the opening facing down to prevent the ring gap from settling in the hole.
Project Mini Stock, Part III

 Race Engineering’s long rod/short piston combination means the wristpin hole extends into the groove for the oil ring. To prevent the oil ring spacer from rotating, it has a small dimple that must be placed in the opening facing down to prevent the ring gap from settling in the hole.  View Related Article

 

 

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