Ronstan Series 50 All Purpose Block - Double MELVHFA3 2 multi-port injection (MPI) MerCruiser

2 multi-port injection (MPI) MerCruiser sterndrive and inboard engines with ECM 555 (2001-2015) (serial No

high and low

Manufacturer Part Number 7311-BSS Key Features

In a dingy or even in a full-size yacht

CargoBuckle S-Hook Adapter Strap

Ronstan Series 50 All Purpose Block - Double MELVHFA3 2 multi-port injection (MPI) MerCruiserSeries 50 All Purpose Block Double All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Swivel shackle head for full 360 degree rotation (non locking).