Volvo Penta GM 8.1 L V8 Marine Engine Long Block

8.1GI-A Volvo Penta GM 8.1 L V8 Marine Engine Long Block Big Block Boat Motor

This is an 8.1L engine from a 2001 Four Winns boat with a Volvo Penta Stern Drive.

Engine model number: 8.1GI-A

Block Casting number: 12556110

It runs great with no ticks or knocks.

It has 165-182 compression across all cylinders.

This engine pictured is the exact engine you are going to get.