CUMMINS 6BT PISTON RING 1, guarantee: 100,000km 2, competitive price 3, high OEM quality 4, fast delivery time CUMMINS 6BT PISTON RING1- CUMMINS 6BT PISTON RINGS DETAILS:DIA102MMDIESELCHROMEDSMALL HOLES2- Our piston ring more information:surface tratementPHOSPHORATION, CHROMED, MOLYBDENUMOil ring moldmoire, big holes, small holesSpringStrong3- More product picture: CUMMINS 6BT PISTON RING