KONI Sport 8641 Series, yellow painted, externally rebound adjustable twin-tube low pressure gas charged strut insert. PORSCHE 911 CARRERA + TURBO '75-'89 FRONT

KONI Sport 30 Series, yellow painted, externally rebound adjustable mono-tube high pressure gas charged shock absorber. PORSCHE 911 75/85

KONI Sport 8210 Series, yellow painted, externally rebound adjustable twin-tube non-gas charged shock absorber. PORSCHE 911 75-88 REAR

KONI Special Classic 86 Series, red painted, internally adjustable, twin-tube non-gas charged strut insert. PORSCHE 911 70-71 FRONT