ATK Engines VMM6 Chevy 350 Marine Engine – 5.7L V8 Long Block for 1987-1995 MerCruiser Boats

Description

The ATK Engines VMM6 marine engine is a 5.7L Chevy 350 long block built for 1987-1995 marine applications using MerCruiser-compatible drivetrains. Featuring a cast iron engine block and cylinder heads, this marine replacement engine is engineered for dependable operation in recreational boating environments where durability and consistent power delivery are essential. Each engine is dyno tested before shipment to verify functionality. || Marine repair shops and boat owners use the VMM6 as a replacement solution for aging or damaged 5.7L marine engines found in stern drive and inboard boats. The long block design helps simplify installation by allowing reuse of compatible marine accessories and external components from existing engine setups. || ATK Engines remanufactures the VMM6 using precision-machined components intended for marine operating conditions involving sustained load and moisture exposure. The engine supports restoration projects and marine powertrain upgrades where OEM replacement options may no longer be available. Whether refreshing an older cruiser or restoring a fishing boat, the VMM6 provides dependable Chevy 350 marine performance.