Ronstan Ratchet Orbit Block, Series 55 - Single, Becket, Cleat, Swivel ropeglide fairlead triple Mercruiser Small block heat exchanger

Mercruiser Small block heat exchanger for chevy engines up to 1982

3/4" BSP Female Inlet  ( 1 1/4" hose barb)

NOTE: Pictured Form needs to be printed

5/8” UNF thread

ie: Hose is 1 3/4" ID

Ronstan Ratchet Orbit Block, Series 55 - Single, Becket, Cleat, Swivel ropeglide fairlead triple Mercruiser Small block heat exchangerFeatures: Up to 20: 1 holding power Smooth easing of sheets High performance cleating Automatic ratchet block Materials: Sheave: Anodised Aluminium Ball Bearings: High compression strength carbon black Acetal Frame Cheeks: Toughened, glass fibre reinforced Nylon Rope Link: UV stabilised, multi strand impregnated SK75 Dyneema Automatic ratchet block Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the