2 pcs of 21-22 mm sway bar locking collar lateral locking 1320 Performance Stainless Exhaust manifold Stud Studs Bolt Kit B D H F GSR Si b16 b18c b18b ITR 1320 Performance Seat Brackets are

1320 Performance Seat Brackets are made with 5mm or

Only works with NRG Quick Release

75A stiffness up to 500HP  a lot more vibration not recommended for daily driver

just grind away the step and it's 3

95A stiffness up to 650HP  design for high performance build engine or forced induction upgrades very stiff not recommended for daily driver

2 pcs of 21-22 mm sway bar locking collar lateral locking 1320 Performance Stainless Exhaust manifold Stud Studs Bolt Kit B D H F GSR Si b16 b18c b18b ITR 1320 Performance Seat Brackets areBRAND: 1320 Performance Design for 21 and 22 mm diameter sway bars the DIY (Do It Yourself) alloy lateral locking system can be utilized on both factory and more importantly aftermarket sway bars. The locks are easily installed on car with no need to remove the sway bar to install . They are mounted directly next to the sway bar mounting points and prevent shifting or sideways movement of the sway bar under lateral (cornering) loads. This results in