Removed from Chevrolet Tahoe 14 Free original spark plugs, 8 pieces, used. Removed them for clearance purposes. I wasn't facing any issues with them. Driven 150,000 miles. Free original spark plug wires, 7 pieces, used. Removed them for clearance purposes. I wasn't facing any issues with them. Driven 150,000 miles. 30 SAR tensioner with pulley, original. Removed without issues, but when I spun the pulley by hand, I noticed a rough sound.