・Floor sub frame comes from Okkuyama's pipe frame philosophy. These sub frames are the main stream of ALFA156 body enhencement pars.
・High strengthen oval shaft is used for the piping to keep under the car clearance and rigidity.（20mm x 40mm ）
・Installed with bolt-on application.
・Steel bars are Silver powder coated for scratch and rustproof.
*A genuine undercover can not be used.
