Bilstein Rear Shock Absorber — Porsche 911 (1965–1989) (24-001670) make-universal Precise Sizing: 36mm venturi bore

Precise Sizing: 36mm venturi bore for tuning 48mm IDF carburetors

Because this high-stress area is prone to rot from battery acid and road salt

Type 3 — all years

or rusted-out threads on your rear frame horns

Disc pairing: Run with a matching 200 mm disc — KEP 4-puck (16-9898-0) for harsher engagement or KEP 6-puck (16-9899-0) for more streetable engagement

Bilstein Rear Shock Absorber — Porsche 911 (1965–1989) (24-001670) make-universal Precise Sizing: 36mm venturi boreBilstein Gas Pressure Rear Shock Porsche 911 912 912E 930 The benchmark rear damper for the classic 911 family. Bilstein's monotube gas pressure design brings back tight body control and a planted, confident ride that worn factory units simply can't. A premium, aspirational upgrade with real day to day payoff. Fits Porsche 911, 912, 912E and 930, 19651989. Bilstein part 24 001670.