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MHS-VS-4V-GT500
PAC RPM Series .550" Lift GT500 Stage 3 Valve Springs
Best Available Springs for the Ford GT / Shelby GT500 Heads. Correct Installed Heights with Identical Seat Pressures, Open Pressures and Spring Rates. 100% Drop In. Fits Stock Retainers.
Pricing:
$609.00
MHS-VS-4V-GT500
Description
MHS / PAC RPM Series Stage 3 Springs for Ford GT / GT500 Cylinder Heads
These PAC Racing RPM Series Valve Springs are Specifically Designed for the Ford GT / Shelby GT 500 Cylinder Heads. These Heads use different installed heights and until these springs were released, the only option was to use +.060" Retainers and Shims to get close to the same pressure between the intake and exhaust. PAC has now manufactured 2 seperate springs with different installed heights that have the same seat pressures, open pressures and spring rates. These Springs go through multiple strengthening and anti fatiguing processes to ensure you are getting the most reliable valve springs possible. Designed to fit the factory retainers and spring seat / seals. We also have 4130 Chrome Moly and Titanium Retainers made for these springs should you want to upgrade the retainers as well.
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