ECB 3D Printing has designed a Stock Bumper With Guards for your RC4WD K10 and K5 Blazer. 
 
This bumper can use the optional Air Dam that mounts to the bottom. Air Dam is listed with the Stock and Stock Smooth bumpers.
 
These come in black and can be painted to match any vision you have for your truck, Silver, white, scraped up with rust patina, it is all up to you