Function and Form Coilover Sleeves for 2009-2016 Audi S4 (B8/BK) Hombre 2005 Nissan Maxima FWD (A33/A34)

2005 Nissan Maxima FWD (A33/A34)

2021 BMW X1 FWD/AWD (F48)

Every kit is extensively tested on the P80 chassis and refined until it balances ride quality with performance — the reason 850 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

2020 Lexus IS300h

Part Number TNF113 Part Name Tanabe NF210 Lowering Springs Vehicle 2006-2013 Lexus IS250 AWD Chassis Code XE20 Drivetrain AWD Ride-Height Adjustable No Spring Rates - Front 4

Function and Form Coilover Sleeves for 2009-2016 Audi S4 (B8/BK) Hombre 2005 Nissan Maxima FWD (A33/A34)The Function and Form Coilover Sleeves for the 2009 2016 Audi S4 (B8 BK) are a height adjustable spring sleeve system that lets you lower your Audi S4 while keeping the factory dampers and ride quality. Also sold as F2 Suspension, this bolt on S4 sleeve kit is the clean way to dial in ride height on cars that use OEM adaptive or air dampers. Each set threads onto the factory strut so you keep the original electronic damping and comfort, then adjust