BLACKFIRE Engine Degreaser (autogeek.net)

Yes. Your engine needs attention just like your paint and wheels. Enter BF Engine degreaser. Very user friendly product. Completely safe for all under hood surfaces. And no caustic smell.

Wet engine. (cool)
Spray on BF Engine degreaser
Let dwell for 3-5 min.
Brush stubborn areas if needed
Rinse with light water pressure
Let dry or blow dry

Your engine should be clean now and ready for your choice of dressing. I prefer SONUS MOTOR KOTE.