PQY Compressor Compatible Magnetic Retainer Tools & Equipment - Engine Tools Review

✿OUTSTANDING DESIGN:Roller ball thrust bearing provides smooth operation even with uprated performance valve springs. ✿CHEAPER BUT STURDY:made of high quality aluminum,textured and durable. ✿SAVE YOUR TIME:can change your valve spring in short time and won't damage your parts. ✿EASY TO USE:allows easy replacement of valve stem seals, valves, springs, and retainers.(you can use a little antisneeze on the threads). ✿COMPATIBLE WITH CAR MODEL:For Modular Ford F-150 5.0L Mustang Coyote 4 Valve Engine Trac Magnetic Screw Retainer(Please see details below).