Racing Head Service (RHS) - 549104-1
Cylinder Sleeve RHS Race Blocks with Tall Deck Height, 4.125 Bore Diameter
This bore sleeve comes standard on tall deck RHS Race Blocks with 4.125 bore. This replaces the sleeve on these blocks and is made of spun cast iron.
These parts are included with your purchase of an RHS Race Block but are also available for purchase separately.
