Wavetrac ATBs carry a unique technology allowing them to be the perfect solution for power distribution; all of the advantages of an ATB with none of the drawbacks. To learn more, see Wavetrac Explained.

This listing is for a 168mm (‘small case’) Wavetrac differential suitable for the E10 2002, E21 3 Series and E30 3 Series models.

• ARP bolts used throughout for superior fastener reliability
• 9310 steel gears run in billet or forged steel bodies
• Designed and manufactured in the USA
• Lifetime warranty.