Lightweight Sky-Tec starters are known for their long life & rugged reliability, due to a modern electro-mechanical solenoid engagement system that makes trouble-prone Bendix drives obsolete. By combining powerful starter motors with gear reduction, higher torque & up to twice the RPMs of OEM starters are generated, allowing them to start the largest hi-compression engines. FAA-PMA approved. 2 yr mfg warranty. More than 20 different models are available please call for correct aircraft application, or visit The C12ST2 is used for aircraft with push button or mag switch start. For Continental C85-12, C90, C145, O- 300A, B, C engines. Wt: 9.2 lbs. 12V