Ronstan Series 75 Core Block - Stand-Up, Swivel tank Self priming up to 5

Self priming up to 5

- BSP Bulkhead Thread for added durability

Acts as a stop to protect your vessel and secure your boats bow while being trailered

- Features a brake tension release system for adjustable control

Mercruiser Small block heat exchanger for chevy engines up to 1982

Ronstan Series 75 Core Block - Stand-Up, Swivel tank Self priming up to 5Core Blocks are a true all round solution. A tuned 2 stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for