Triumph unit 500 twin piston set .060 over pistons Early 1959 to 1966 T100C T100 key chain They are 26" total length

They are 26" total length and they are to fit 1 3/4" pipes

Manufacturer Part Number: 06-7712/S

Norton Rear frame loop 06-7152 stock frame Commando 1970 71 72 73 74 75

two gasket kits for your concentric Amals 600/900 MK1

I'm not sure how the Brits came up with 5 3/4"

Triumph unit 500 twin piston set .060 over pistons Early 1959 to 1966 T100C T100 key chain They are 26" total lengthThis product is New Triumph unit 500 twin piston set . 060 over pistons Early 1959 to 1966 T100C T100 Triumph 650 Twin Size Inch mm Std 2. 795 71 +10 2. 805 71. 25 +20 2. 815 71. 50 +40 2. 835 72 +60 2. 855 72. 50 +80 2. 875 73 +100 2. 895 73. 50 Triumph 750 Twin Size Inch mm Std 2. 9916 76 +10 3. 002 76. 25 +20 3. 012 76. 50 +40 3. 032 77 +60 3. 052 77. 50 +80 3. 072 78 +100 3. 092 78. 50 Triumph 500 Twin Size Inch mm Std 2. 7165 69 +10 2. 727 69. 25