Nick Scholfield will ride Aintree regular Maggio in the Randox Health Grand National.
The 13-year-old chaser, trained by Patrick Griffin, has yet to compete in the big race itself, but will be having a sixth outing on Merseyside.
Maggio will also have a new jockey on Saturday week.
James Griffin, the County Dublin trainer's son and assistant, said: "I've known Nick for a long time and he has ridden for us before.
"Maggio is very well. He schooled over fences over two and a half miles at Thurles (on Wednesday).
"I rode him and I was absolutely delighted. It's now all systems go for the National."
Maggio is owned by Douglas Pryde and James Beaumont, who won the National with Auroras Encore in 2013.