Billet Aluminum Ford Small Block Crankshaft Pulley Spacer (4 Bolt) Use this .625" thick spacer with SBFL series pulleys and the following dampers: ---Fluidampr Note: Other aftermarket balancers generally require a .950" spacer, OEM 4 bolt damper does not require a spacer 289, 302 & 351W Engines with aftermarket damper ---1969 1/2+ Ford passenger cars ---1977+ Ford trucks ---All Ford 351 Cleveland Engines (351C) ---All Ford 351 Modified Engines (351M) ---All Ford 400 V8 Engines Fits the following models with original 289, 302 & 351W small block engines installed. Note: 1969 model year was a transition year for small blocks and you need to check your water pump and the number of bolts on crank pulley.
