Introduction:Infinite most of the oil train 16-21 motivation can be generic， infinite old oil train of level 16 and 18 cannot be generic.Suitable for HSP， HIMOTO， REDCAT & TYRANNO with CXP 18， VX 18 and SH 21 nitro engines.Pull start for VX engineSpecification:Screw hole spacing:24mmDiameter:32mmColor: blackPackage Included:1x Pull Starter