THIS IS A PAIR OF UNIT TRIUMPH INLET AND EXHAUST TAPPET GUIDE BLOCKS WILL FIT T100 AND TR6/T120 MODELS FROM 1969 ONWARDS AND T140 TR7 MODELS UP TO 1979. SUPPLIED WITH SECURING BOLTS WASHERS AND 'O' RINGS. OEM: 70-9352 / 70-9353 MANUFACTURED IN THE UK BY L F HARRIS INT LTD. IF YOU HAVE ANY QUESTIONS ABOUT THIS ITEM THEN YOU CAN CONTACT US ON 01371 876027 PLEASE NOTE WE OFFER COMBINED POSTAGE COSTS ON MULTIPLE PURCHASES BUT PLEASE WAIT FOR US TO SEND YOU THE TOTAL COST BEFORE PAYING.