Triumph Cylinder Liners with Piston Low Compression 7:1 T100. TR5. 5T Alloy cylinderincl. 5T. TR5 Pre Unit Pistons pair 63mm /STD. 7:1Compression Once the liners are fitted the pistons will be need to be bored to a Piston clearance 0,12 mmgap of piston rings 0,25 mm
Ariel Mod. E Piston 497 CC. OHV. 1 cyl. 1927-1928 STD. 81,8 mmincluding Gudgeon Pin, Piston Rings and circlips Piston Clearance 0.12mm or 45thouJP Made in AustraliaPlease look at all pictures