ARB gBAR/LINK SPLINED 70-81 CAMARO AND 70-81 FIREBIRD ANTI-ROLL BAR 3/4" DIAMETER, FITS g-BAR & g-LINK, INCLUDES SPLINED END BENT ANTI-ROLL BAR, BILLET ALUMINUM ARMS & MOUNTING HARDWARE. DOES NOT INCLUDE LOWER LINK MOUNT WITH PRELOAD ADJUSTER SOCKET.