【Compatibility】This ALL31066 crank pulley shim kit, featuring the chevy crank pulley spacer, is designed specifically for small block Chevys and offers a perfect engine fit. The water pump shims come with a dual bolt hole pattern to fit most GM and Ford water pumps.
【Durable Construction】This crank pulley kit's pulley shims feature an outside diameter of 4 in and an inside diameter of 1.25 in. Crafted from high-quality aluminum, these pulley shims offer exceptional strength and longevity. They withstand the rigors of engine operation, providing the necessary support for your crankshaft pulley.
【Enhanced Performance】This ALL31066 crankshaft pulley spacer kit — a reliable pulley shim kit — properly aligns your pulley, reducing vibration and potential engine damage while keeping your engine running smoothly and efficiently.
【Precise Alignment】With three different thickness alternator pulley shims included in kit 1.12 inch3mm 0.08 inch2.07mm and 0.06 inch1.56mm this kit provides cost-effective solution to aligning pulleys and optimizing engine performance.
【Easy Installation】Our crank pulley spacers are designed for hassle-free installation Simply choose appropriate shim thickness place between pulleys and secure in place installation process completes quickly and easily saves time and energy.