Porsche 915 Shift Knob - Late Style - Threaded - 911 75-86 JWKB-915LT 106-00-13 and their internal parts are

and their internal parts are rigidly supported

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Fits all models from 1965-1989

Porsche Heated black right windshield nozzle for 928

Porsche 915 Shift Knob - Late Style - Threaded - 911 75-86 JWKB-915LT 106-00-13 and their internal parts arePorsche JWest exclusive factory style replacement shift knob with threaded stud to screw onto RennShift stick. 915 5 Speed pattern (5th gear right and forward) for 1972 and newer 911 912E. This is the late style of knob used on the 1973 to 1986 911 (grained finish with radial groove). Fits M8 1. 25 threads on newest RennShift model. Please check the thread on your stick before ordering (older sticks were 3 8" 24). To check, an M8 bolt (typical 13mm