DONT BUY FROM SUPA QUICK IF THE RECEIPT SAYS LIFETIME GUARANTEE ITS A CATCH

I bought Gabriel shocks from Supa quick for my car which is a vw golf and on the receipt it stated lifetime guarantee and now the shocks are a problem according to the vw mechanic, Supa quick sold me the shocks now they get hold of Gabriel shocks because they want to step back yet they sold the product and up till now Gabriel shocks has not called