HEY GUYS I HAVE A B&M 177 SUPERCHARGER FOR BBC ITS THE POLISHED ONE ITS IN GOOD CONDITIONS, IM NOT SURE ON THE MILES BUT WORKS PERFECT COMES WITH BELT N IDLER , I WANT 1,200 OBO PLS SHIPPING. IF INTRESTED PM ME FOR PICS OR EMAIL ME AT g5m3c@yahoo.com. TANKS