2 Pistons with Piston Rings, Pins and Clips | Bore Size 58.25mm STD / +.020" / +.040" / +.060" | 3TA T21 Twenty One | CP164 E3689 70-3689 E6908 70-6908 | NEWTriumph 350 Unit Pistons£140.00PriceSizeSelectQuantity*Add to Cart