Piston Ring Set | Bore Size 71mm STD (NOS) / +.020" (NOS) / +.040" (NEW) / +.060" (NEW) | T120 Bonneville TR6 Trophy T110 Tiger 110 6T Thunderbird | 70 9488 70-9488 E9488 Unit and Pre Unit Construction Triumph 650 Piston Rings£25.00PriceSizeSelectQuantity*Add to Cart