Buy Valve Lifters/ Tappets For Buick, Cadilac, Chevrolet, GM, Hummer, Saab, Oldsmobile, Pontiac OEM 17122490,17089952,17120735,17109057,17120070,17121905We are interested in thses lifters that you have advertised. I would need some for testing and inspection. We are willing to pay for the test samples. Please can you give me a price on supplying us with with 48 of these roller lifters. Shipping and billing address is as follows:Thundersport