These tools are ideal if you need to work on these engines from time to time. I ended up shortening the hook tool a bit with wire cutters and sanding the bank 1 chain guide tool a bit to fit. Also, the sprocket locking tools didn't line up exactly with the cam sprocket teeth, so I had to hammer them in to fully lock them. If you do this job every week it's probably a good idea to get a better kit, but it was fine for a one-off project to replace rocker arms, pushrods and a bad camshaft. You will also need a 36mm socket to remove the phase shifter bolts and a 27mm socket to turn the crankshaft. Can't complain at under $20 for a set!