It turns free. The housing part # is 5116106.
LITTLEFIELD MAG Blower Supercharger GMC 471 671 Rear COVER Bearing Plate 1471
Blower , supercharger GMC rear bearing cover plate for G/T rear plate only
Blower Supercharger BBC Timing Cover GMC 671 871 NHRA IHRA IMCA Mud truck RatRod
Blower Supercharger Screen GMC 671 SBC BBC NHRA IHRA IMCA Mud truck Rat Rod Drag
GMC BLOWER SUPERCHARGER BILLET BEARING PLATE REAR COVER (4 Corner)
Weiand Blower Supercharger Front Cover 7039P GMC 471 671 871 1071 Hemi
