Valve springs
Sprite / Midget: Midget 1500 (1974-79)
Triumph: Spitfire Mk3, Mk4 and 1500 (1967-80) • Herald 13/60 (1967-71) • Dolomite 1300 and 1500 (1976-80)
uprated double springs with larger diameter, will allow the engine to rev to 9000 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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