Stealth Black Billet Aluminum Ford Small Block Crankshaft V-Belt Pulley (4 Bolt) 2 Groove Crankshaft Pulley for 289, 302 & 351W. Application - Late Model Engines Transplanted into: Ford Passenger cars 1964-1969 Ford Trucks 1964-1976 Fits vehicles with: 1) Factory 4 bolt damper (Aftermarket dampers may require 0.950" spacer) 2) Water Pump with Passenger side lower radiator hose. 3) Dampener face to water pump flange face 3.0" Made in the USA Material: 6061-T6 Billet Aluminum Late Model 289, 302 & 351W Engines Transplanted into ---1964-1969 Ford passenger cars & ---1964-1977 Ford trucks Fits the following models with newer (1969 1/2+) 289, 302 or 351W engines installed. If you have an original engine with 3 bolt damper, use SBFE series pulleys instead.