Type: Genuine
Brand: MERCURY MARINE
Description: VALVE KEEPER
Mercury P/N: 8M0042989
Application:
Single Groove, High Perf.
Fits MCM 450, 465, 500, 500 Bulldog & 525 EFI
Priced individually, sold @ multiples of 2.
If you are unsure of the application, please enter the make, model and serial number information in the comments section of the checkout.