Evasive Motorsports: Whiteline H D Adj Sway Bar (Rear 18mm) Mazda RX Whiteline 78 85 Mazda RX 7 SA22 Front adjustable strut tower brace Whiteline 12+ Scion FR S 12+ Subaru BRZ 12+ Toyota 86 Front Brace Mazda SA22C RX7 series 2 & 3 front bumper bracket RHS NEW Auto Body. You can never have too much chassis stiffness. Weight aside, the more the better. Chassis bracing maintains alignment angles and spring rates by greatly reducing body or chassis flex. In fact, it helps every component in the suspension system do its job properly and you can feel the difference through improved turn in, sharper steering response along with greater steering feedback. This Part Fits: Year Make Model Submodel 1979 1985 Mazda RX 7 GS 1981 1985 Mazda RX 7 GSL 1984 1985 Mazda RX 7 GSL SE 1983 Mazda RX 7 Limited Edition 1979 1985 Mazda RX 7 S