Swift Flat Wire Linear Rate Bump Springs 1200 lbs/in High Flow Catalytic Converter #SPL RLL Z33B) and SPL

#SPL RLL Z33B) and SPL Parts Eccentric Lockout (#SPL EL Z33) kit for total rear camber and toe alignment with "zero-slip"

1989-1994 Nissan 240SX (S13)

Fits VQ35HR & VQ37HR Motors:

Getting ready for track days will be easier than ever

325 lbs/in Barrel Type

Swift Flat Wire Linear Rate Bump Springs 1200 lbs/in High Flow Catalytic Converter #SPL RLL Z33B) and SPLFlat Wire Linear Rate Bump Springs 1200 lbs in Swift Bump Springs are made from a proprietary material. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series, Formula Drift, and many other professional racing avenues.