These are new water pumps, not remanufactured, ensuring a longer life.
All small-block water pumps have a bypass hole in the top. Plugs are included.
Aftermarket product, usually an enhancement product.
Find in OPGI's 2018 Monte Carlo Catalog page 188.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.