The Buick uses a stock Chevy starter!
From a 4.3 V-6, to a 454!
I think you should get one like the Powermaster, because it is totally "clockable" you can put the solenoid anywhere, all 360 degrees!
With my T/A race headers and 3" downpipe, I had to try the clocking in 4 different positions to find one that worked. Some of the chairman Mao types only "clock" in several positions, and some have 8 positions. The powemaster, you leave the clamping screws loose, put the solenoid where it needs to be, and clamp it down.
And like I said, they sell the same part # starter for up to 454 engines, and I had one on the 11.0 comp, 598 Merlin in my boat!
I can't see ever wearing it out, it prolly would outlast quite a few V-6s!
And by now, ya all probably know my motto:
Is some is good,
more is better,
and too much prolly ain't enough!
TIMINATOR