Ronstan Orbit Blocks - Series 100 - Double, Universal Head inboardparts The properties of stainless steel

The properties of stainless steel keep your system cooler and also provide a greater barrier of protection from rust

Suit 3/8" NPT Thread

Small Block Chev - 307 -327 - 350 - 400

- 1 1/8" x 2" (suit skicraft & most US boats)

Kits include Heat exchanger with inbuilt Header Tank

Ronstan Orbit Blocks - Series 100 - Double, Universal Head inboardparts The properties of stainless steelThe highest strength to weight ratio Minimal friction loss, especially when working at high loads Totally reliable and trouble free performance Simplicity of design and construction to facilitate maintenance and servicing Elegant, functional styling and finish Lockable swivelling head post High strength forged shackle Orbit blocks are a no compromise product range developed to meet the demands and expectations of the very dedicated and increasingly