Pair of chrome plated stainless steel head pipes with exhaust gas analyzer ports and plugs as used on California EV 1999-2000, Jackal 1999-2001, Bassa, and California Special 1999-2000. Heavy duty chrome plated double wall steel construction. Includes stainless port plugs and copper sealing washer. Made in Italy. Replaces original codes 03120900, 03120901, 031209902 and 03120903. Note the flange where the head pipes meets the cylinder head, there were some variations with some models having built in spacers. Can be used on any 1100cc California model when using appropiate spacers and flanges.