Sold as a pair.
Clone "Race City Pro Springs" are made out of completely different material then any other valve spring on the market.
Longest Lasting Clone Valve Spring on the Market.
This is the "Secret" of the major engine builders.
All Race City Springs have a small I.D. to help hold the spring tight on the spring retainer and valve stem oil seal, to keep the valve spring from jumping around.
***Previously only available to dealers. We are now offering to everyone.***
*Do not install without setting; will not pass tech if not set by an engine builder.*