LOWER VALVE SPRING COLLAR SET FOR IRONHEAD SPORTSTER
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* Low profile lower valve spring collars are similar to late stock lower collars, they will provide .060 additional spring travel with stock springs.
* For cams to .450 lift. No other head work is required.
* Collars are made from steel.
* Fits Ironhead Sportster 1957/Later.
* Low profile lower valve spring collars are similar to late stock lower collars, they will provide .060 additional spring travel with stock springs.
* For cams to .450 lift. No other head work is required.
* Collars are made from steel.
* Fits Ironhead Sportster 1957/Later.