Kat's 300W Magnetic Tractor Engine Block, Oil Pan, Intake Manifold, Heater
 
Magnetic block heater
 

This heater is a heavy duty version of the 200 watt magnet heater.

300 Watts, 120 Volt heater

For installations on:
Oil pan
Battery holder
Intake manifold
Engine block
Can be used on your tractors,snow blowers, chainsaws, snowmobiles, or other small engines.