HKS Valve S/P Set Inner-shim 3SG Tesery Official Store Increased fluid volume - Fewer

Increased fluid volume - Fewer refill cycles between seasonal washings

Do I need a press tool to install these

2007 GMC Sierra Classic Models ONLY

Premium Construction & Features:

HKS Valve S/P Set Inner-shim 3SG Tesery Official Store Increased fluid volume - FewerHKS valve springs are stiffer springs specifically designed for use with HKS camshafts. As valve train dynamics change with the use of high performance cam profiles and greater lift, stiffer valve springs are needed to optimize valve movement. When changing to a high lift cam, stock springs cannot match the increased valve train movement. Therefore HKS engineered valve springs that are precisely matched to the characteristics of HKS camshafts. A