Rowe Ampco valve guide VRSC02-17 std.

Rowe's Ampco-45 valve guides are made from American made nickel-bronze, precision machined and roll stamped with make, model, size and the Rowe-USA name. Nickel bronze has excellent self-lubricating qualities and gives minimal distortion during installation. Rowe Guides require finish honing from 1/2 to 1 thousands (.0005"-.0010") for a perfect fit. Sold each.