Water Pump Pulley Shim Kit 1/8 Inch and 1/16 Inch 3 Pcs Compatible with SBC BBC SBF 302 350 427 454. 0.063 in and 0.125 in Thick 5/8 in and 3/4 in Shaft Aluminum Natural

KIT CONTENTS: Includes 3 pieces total — a combination of 1/8 inch (0.125 in) and 1/16 inch (0.063 in) thick aluminum water pump pulley shims.WIDE COMPATIBILITY: Designed to fit most SBC, BBC, and SBF engines including 302, 350, 427, and 454 configurations for versatile use. DUAL SHAFT SIZES: Accommodates both 5/8 inch and 3/4 inch shaft diameters, making these shims suitable for a broad range of water pump pulley setups.Core Functions Eliminates eccentric belt wear, abnormal noise, and premature belt breakage. Especially critical for high-RPM operation (6000+ RPM). An essential alignment component after modifying or replacing the water pump / pulley.QUALITY MATERIAL: Crafted from durable aluminum with a natural finish, providing reliable performance and long-lasting use in demanding engine environments. PROTECTIVE FILM: Comes with a blueprotective film to prevent wear, scratches, and dust during storage — simply remove the film before installation.Installation Location Installed between the water pump flange and the pulley to fine-tune the outward offset of the pulley, achieving precise alignment of the drive belt.Compatible Vehicles / Engines SBC 350, BBC 427, 454,SBF 302 Fits most long and short shaft water pumps Compatible with Chevrolet and Ford.