Bilstein B4 OE Replacement-Suspension Strut Assembly (22-252944) 1111 Porsche uses Helical exhaust valves

Porsche uses Helical exhaust valves on their GT3 mufflers because the valves are bullet-proof silica carbide

This B&M Precision Sport Shifter for B&MW 3and5 series cars packs a 20% to 25% reduction in throw for the ultimate in smooth short shifter technology

Mil-Spec Black Anodized Finish Provides Rugged Good Looks

Suits: Bosch LSU 4

5 KGs and this Fabspeed system weighs 20 lbs /9 KGs less

Bilstein B4 OE Replacement-Suspension Strut Assembly (22-252944) 1111 Porsche uses Helical exhaust valvesBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Notes: It's recommended to replace shock or strut in pairs (passenger and driver side at