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Valve springs

Jaguar Valve springs
uprated double springs for high rpm

Jaguar XK120, XK140, XK150, E-Type 3.8 and 4.2, Mark II, S-Type (1963-68), Mark X, 420, 420G, XJ6 Series I, II and III (1968-87)

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.