H&R 08-13 Infiniti G37 Coupe 3.7L/V6 Sport Spring (w/o Sport Susp./Non AWD/Non IPL) - 53030 Fabrication Before increasing the power of

Before increasing the power of your 4-cylinder

Fitment2014–2015 McLaren P1

Clamp-On Reduction Tubes Fit OE Connections

C8-Spec serviceable cast valve assembly

H&R 08-13 Infiniti G37 Coupe 3.7L/V6 Sport Spring (w/o Sport Susp./Non AWD/Non IPL) - 53030 Fabrication Before increasing the power ofSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's