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What does everybody think , do they fit under the valve covers without modification ?
The pro magnums are 1.75 and will increase lift .
The shaft is 1.7 as stock .
It might be overkill for my mostly street driven 3.46 ci
I wonder if they are adjustable.
Haven't called comp yet.
Right now they are pushing the 921 springs .
Thanks
The shafts won't fit unless you use spacers. I WOULD STAY FAR, VERY FAR AWAY FROM THE ADJUSTABLE ONES. They are made by a company called DRE and have bad business practices. I am still waiting on money to be refunded. :mad
Phillip