GSC Power-Division high pressure CONICAL Spring set with Titanium Retainer for the Subaru EJ Engines Oil Pumps This closed deck block design

This closed deck block design has been proven to withstand extreme boost levels resulting in high cylinder pressures without the worry of cracking a sleeve

Adapter plate

J-Pipe/Turbo Bracket Included – Retain the support that other aftermarket header lose

but it provides a rounded lip to improve flow from the flange through the runner

GSC Power-Division high pressure CONICAL Spring set with Titanium Retainer for the Subaru EJ Engines Oil Pumps This closed deck block designThe GSC Power Division High Pressure Conical Valve Spring with Ti Retainer for Subaru EJ platforms includes 16 titanium retainers, 16 conical valve springs, and 16 chromoly valve spring seats. High RPM and High Boost levels are not a problem on these kits. True conical valve springs are not a new concept and are industry proven to provide several key advantages over traditional spring designs. A major advantage of conical springs vs. traditional