Tool is universal and fits a 4.187" thru 4.700" bore sleeve that has machined with 4.800" flats on the top of the sleeve allowing the engine builder to turn the sleeve before sending it home. Wrench is made from billet anodized .500" alum. to not damage the sleeve, four inch long handle allows the builder to turn the sleeve to where desired.
Need a sleeve puller, sleeve installer or sleeves not a problem with either let RBS help put you in the winners circle.