Kibblewhite Triumph Valve Spring Set 99-7037, 70-4221, 70-7400, 70-4222
US made by Kibblewhite to strict standards, premium valve spring set to fit 650 and 750 Triumph twins up to 1988.
Applicable for T120, T140, TR6, and TR7, and is suitable for both pre-Oil-In-Frame (pre-OIF) and OIF models. The springs are made from premium chrome silicon material, which offers improved strength, durability, and resistance to fatigue compared to standard steel springs.
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