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I would back away. I used them and they are setup with a 2 rocker per plate instead of the all one piece from GM. Short story, one of my studs pulled out of the head, I dropped the valve at 6800 rpm shift to third and a real short story...I spent 11k rebuilding another motor.
I would back away. I used them and they are setup with a 2 rocker per plate instead of the all one piece from GM. Short story, one of my studs pulled out of the head, I dropped the valve at 6800 rpm shift to third and a real short story...I spent 11k rebuilding another motor.
That was on a motor with only 19,000 miles.
They also have a bad history of breaking. Not a product I would use in my car.