YOU ARE BUYING 4 NEW NGK SPARK PLUG CAPS.THESE WORK GREAT ON ALMOST ALL VINTAGE SUZUKI INLINE 4;s SUCH AS GS550 GS650 GS750 GS850 GS1000 GS1100 AND MANY MORE MODELS THAT SUZUKI PRODUCED.THIS IS THE CURE FOR THAT ENGINE THATS STARTS MISSING IN THE RAIN OR THATUNEXPLAINED MISS THAT YOU CANT SEEM TO LOCATE.WE EXCEPT PAY PAL OR CREDIT CARDS. THESE SHIP IN A ENVELOPE FIRST CLASS MAIL FREE. WESHIP NEXT DAY AFTER PAYMENT CLEARS. Shop 770 334 8613 ++++WE ALSO SELL OIL FILTERS FOR YOUR GS SUZUKI.+++++