The special X-ring for piston heads is made out of Viton - special elastomer that has improved inertia with wide spectrum of oils. The grooves on the X-ring alows it to hold more lubricant, thus improving the gliding and air-seal.
Orders made and confirmed until 14:00 will be sent the same working day, or next work day.
Orders, that are equal or exceed bgn 300 will be free of charge for any Speedy Office in Bulgaria. Any payment taxes applied by the courier will be on behalf of the buyer.
The shop can't be held responsible for delays caused by the courier.