HKS 4G63 Strengthened Valve Spring Set Universal GReddy Circuit Spec Front (down)

GReddy Circuit Spec Front (down) Pipes (2pcs

Weight:  22

25 pitch holes

This is the same rear section used on all ATP 3" downpipe assemblies including the one for stock turbo

Mild Steel Weld Flange

HKS 4G63 Strengthened Valve Spring Set Universal GReddy Circuit Spec Front (down)HKS 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