Description

20 thou oversize 998cc 3 ring flat top piston set with 10.3:1 CR and the circlip type gudgeon pin used on early Pre A+ engines up to 1980. These are replacements for the original, now obsolete, dished 4 ring piston,  AE type ADU3490 and come complete with rings. They can also be used on earlier engines such as the 998 Cooper.