Allstar Performance Crankshaft Mandrel Kit 351022 Convoluted bumper prevents shock from

Convoluted bumper prevents shock from bottoming out

Infiniti QX56 / QX80 2006-13

1987-1991 Mercury Colony Park

providing less bulk and a sleek silhouette

Adjustable Microphone: Magnetic-dynamic noise-cancelling microphone

Allstar Performance Crankshaft Mandrel Kit 351022 Convoluted bumper prevents shock fromKit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley with three bolts, while the vibration damper is retained with the stock bolt. The mandrel bolt is then connected to the mandrel not to the crankshaft to reduce engine harmonics (helps prevent loosening or breaking). Kit includes spacers, pulley guides, and bolts to work effectively with most 3 , 4 , and 5