<p>LS Premium .660" Polished Double Spring Kit With Steel Retainers. This valve spring kit is excellent for high performance or racing use for up to .660" lift using stock rocker arms. This kit includes valve springs
Home><p>LS Premium .660" Polished Double Spring Kit With Steel Retainers. This valve spring kit is excellent for high performance or racing use for up to .660" lift using stock rocker arms. This kit includes valve springs