Ivica - The check valve you want is part of a sub-assembly which includes the piping that connects to the left and right side engine heads. It is part number: 4179893 CROSSOVER, A/Pump Air Injector & Exhaust Check Valve. Bob Harris ----- Original Message ----- From: "Ivica Dropulic" <ivicadropulic@xxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Wednesday, August 07, 2002 6:47 PM Subject: IML: 1982 Check Valve (Metel one-way valve)