Voodoo competition shift knob in Magnum size (2" diameter) designed specifically to fit Subaru WRX STi (with reverse lock-out). Piano Black (smooth black) finish. Thread is 12 x 1.25 mm.
Thank you to Andrew M. of Fleetwood, PA for the photos
This Voodoo knob also fits the Subaru BRZ & Scion FR-S