Pre A Plus exhaust valve using 88G459 small cotters.
Uses AEA311 springs - 25.4mm. For 850 / 998 / 1100cc.
This valve is to a higher spec than the originals.
Recommend: 4 x 12A1987 per Mini.
Related parts:
For valve cotters, see 88G459.
For valve springs, see AEA311.
