Ronstan Core Block, Series 100 - Single, Becket, Universal Head ignition coil ****One of our biggest sellers

****One of our biggest sellers and HIGHLY recommended by Cassell's

75mm internal size

Replacement filter element only suits filters Replaces Mercury 35-809097 & Racor S3213

Includes adapters for all major outboard engine manufacturers

Ronstan Core Block, Series 100 - Single, Becket, Universal Head ignition coil ****One of our biggest sellersA balanced design approach incorporating functionality, performance and style makes the Series 100 Core Blocks the right choice for performance cruising or racing applications. A full contact bearing 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. Glass Fibre reinforced nylon sheave, alloy cheeks and stainless fixings complete the