Genuine Bendix 2.88 Twin Piston P/N: R55252, in box ready to ship today! Do not hesitate to ask us any questions.A refundable core charge of $65.00 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.A factory handling fee of $20.00 per unit is added at checkout.