DynoCams ProductsDucar EnginesBriggs and Stratton EnginesHarbor Freight EnginesClone 13hp EngineEngine ToolsCharger Racing ChassisKarting AccessoriesMeasurement DevicesTillotson CarbsTire PrepLubricants Categories HomeBriggs and Stratton EnginesFlathead EngineAftermarket PartsSprings DCS1360 1.360 Valve Spring 16 lbs, Flathead $3.50 DCS1420 1.420 Valve Spring 18 lbs, Flathead $3.50 DCS1485 1.485 Valve Spring 22 lbs, Flathead $5.60 DCSOH 36lb Dual Valve Spring Set, No Hardware $19.00 DCSOH-HD 38lb HD "White Stripe" Dual Valve Spring Set, No Hardware $21.02 DCSSH 36lb Dual Valve Spring Set with Hardware, Flathead $34.00 DCSSH-HD 38lb Dual Valve Spring Set with Hardware, Flathead $36.00