Ronstan Series 50 All Purpose Block - Double MELVHFA3 Fits Mercury and Mariner 4-cylinder

Fits Mercury and Mariner 4-cylinder 65hp through V6 outboards with short-vane impellers

The dual pivot point design allows for infinite adjustability - forward

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

One-Piece Molded Sight Glass Eliminates Tie Rods and Gaskets

Manufacturer Part Number 8284-BSS Key Features

Ronstan Series 50 All Purpose Block - Double MELVHFA3 Fits Mercury and Mariner 4-cylinderSeries 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).