TAP, WATER DRAIN, 1/2" UNF

Spitfire, GT6, Herald
Sprite & Midget 1974-1980
TR2-TR4A, TR5-TR250-TR6 (from (e) CP50001 on-TR7-TR8
STAG
MGB V8
Range-Rover V8
SD1 V8
Triumph 2000,2500