Valve springs
Mini: Cooper S with 970 cc and 1071 ccm plus all Mini with 1275 cc (1963-2000)
Sprite / Midget: Vehicles with 1275 cc engines from October 1966 to October 1974: Sprite from HAN9-64735 to AAN10-87824, Midget from GAN4-52390 to GAN5-153920
uprated double springs will allow the engine to rev to 8000 rmp
Manufactured from superquality silicone wire, their resistance against fading and breaking is extremely high. They can be fitted directly to the head with no fear of spring crush and enable the use of higher lift cams. Recommendable for fast road and race engines. Must be fitted when using competition valves.
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