Ronstan Ball Bearing Utility Blocks - Series 15 - Singel Block, Swivel Hook Head ronstan orbit blocks - series 100 - single universal head Suit straight 6cyl Holden 179

Suit straight 6cyl Holden 179 - 186 - 202 HP Late Model

The patented clamp allows for seamless attachment and detachment

two styles available to suit 1" or 7/8" diameter Prop shafts

O - Ring and mounting bolts

Ronstan Ball Bearing Utility Blocks - Series 15 - Singel Block, Swivel Hook Head ronstan orbit blocks - series 100 - single universal head Suit straight 6cyl Holden 179Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing