LS6 Pistons
 

Can anybody please tell me the differance between the two?
GM 3963550 piston
GM 3963551 piston
Thanks very much https://www.yenko.net/ubbthreads/imag...s/confused.gif
Ken

Re: LS6 Pistons
 

Ken;

I believe the 550 piston is the original 11-1 closed chamber LS6 style piston, and the 551 is the 12.25-1 open chamber LS7 piston.

Hope this helps.
Eric

Re: LS6 Pistons
 

OK, Thanks very much Eric, That helps alot.
Ken https://www.yenko.net/ubbthreads/imag...lins/smile.gif