Allen 6 x 38mm Low Profile Sheave Boxes Select (See Table Below):AL-0016 38 x 6MM LP SHEAVE BOX -ACETAL - EACH 1 x 21561 Quad Ring

1 x 21561 Quad Ring

Shorter locking rear arm on the clamp prevents interference with the low suspension on trailers and horseboxes with leaf springs

Material Neoprene Primary Construction Neoprene Suitable For Mercedes|Mitsubishi|Volvo|Yanmar Impeller Shaft Diameter 25

Chrome-plated brass case and shaft housing

"it is our opinion that Race officers could before long insist on some form of emergency quick release before accepting race entries"

Allen 6 x 38mm Low Profile Sheave Boxes Select (See Table Below):AL-0016 38 x 6MM LP SHEAVE BOX -ACETAL - EACH 1 x 21561 Quad Ring6 x 38mm Low profile sheave boxes. Low profile pressure die cast sheave boxes are available with either plain bearing acetal resin or high load stainless steel ball bearing sheaves. They feature rope friendly friction reducing flanges and Allen's unique hook in cage designed and engineered to deal with the high loads associated with modern high performance rigs. Spec Sheet Part Description Sheave Material Rope mm Sheave Width mm Sheave mm Slot Size mm