Selling either Z1 510's or Jwt sport 550's. Z1 510's are in great condition, no shaft play, spin freely, approx. 5k miles on them $800 shipped
JWT sport 550's (discontinued) Ball bearing, automatic exhaust housings (4bolt) will fit 5spds too ofcourse. Perfect condition, approx. 10k miles on them. You will need the Oil restrictor lines to go with them. $900 shipped
comparison picture between the two turbos... As you can see, more honing on the right turbo (sport 550)