Throttle return springs are a safety item first and a tidy detail second. Running two of them, in the right rate for the linkage you have, means the blades still shut if one lets go. This kit gives you both spring rates and a chrome bracket so the whole assembly does not look like an afterthought.

Mr. Gasket 9678 Throttle Return Spring Kit Features:

• Fits Holley 2300 and 2305 series 2-barrel carburetors.
• Fits Holley 4150 and 4160 series 4-barrel carburetors.
• Includes both heavy and light spring sets.
• Chrome plated brackets give an upgraded look over the factory parts.
• Sold as a kit.