40lb Dual Valve Springs

40lb Dual Valve Springs

• Set of Dual Valve Springs (A total of 4 separate Springs) 
• Approximately 36.3lbs at .880" and 40lbs at .850" Installed Height 

Other Information:

• Used on extremely modified high HP high revving 196cc-225cc Small Block Honda Clone Engines (Tillotson 225cc Engines)
• Stainless Steel Valves and Billet/Titanium Retainers are required
• Valve Spring Pockets may need to be modified