The warranty is handled threw a Insurance company.
Ask your self.
Engine goes bad,
Who pays to ship it back?
Who pays for freight to receive it?
Who pays for time and labor to R&R it?
Who pays for essentials? (oil, filter, antifreeze)
The answer is you!
Also the HP claims, NOT SAE certified.
The engine is made up of used castings.
Marchall engines has a big history of welding cracks.
GM performance crate engines
Price around, just like buying a car.
You can even get one threw Summit racing!
This engine is 100% virgin new!
And everything comes with a 3 year 50k warranty that can be administered by your local mechanic and and GM dealer in the county.
Even the add ons are warrantied.
And it's no secret that a cam change puts this engine at 400hp easy.
You have been warned!