NGK Spark Plug - B9HVX 4 per Box ronstan utility block series 25 30 narrow - fiddle tube rivet Ronstan is the only company

Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*

Thermo Control Unit to suit Holden 253-308 that is timing case driven ie: Dog Clutch

Easily adjustable to fit pipes ranging from 59mm to 83mm

Standard flat mounting

common to Morse/Teleflex type and other steering systems

NGK Spark Plug - B9HVX 4 per Box ronstan utility block series 25 30 narrow - fiddle tube rivet Ronstan is the only companyEnhance your engine's performance with NGK Spark Plug B9HVX! 4 spark plugs per box for optimal efficiency. Trusted by Cassell Marine for quality and reliability. Over 80 years of spark plug expertise from NGK. World leaders in spark plug technology.