MerCruiser V8 496 8.1L Design-2 GM Aluminum Valve Rocker Covers 891870 12570556 NOS 7L 350) (1976-1985)

7L 350) (1976-1985)

Some oxidation on this

MERCURY 350 → S

ALSO the center bolt that holds the whole spring works and disc together has been drilled out and replaced with a bolt & nut

MerCruiser V8 496 8.1L Design-2 GM Aluminum Valve Rocker Covers 891870 12570556 NOS 7L 350) (1976-1985)Item Details MerCruiser BBC 496 8. 1L V8 Valve covers P N 12570556 (Stamped) MerCruiser part number is 891870 This is for the Design II coil So, this would fit MCM 496 Mag & HO (Serial Number 0M376088 and up) and MIE 8. 1L & HO (Serial Number 0M315053) You get the pair as pictured If you have any questions on compatibility, please contact me before purchasing. Some minor scratches small missing bits paint, but overall good condition Freshwater Used