PSI LS Beehive Valve Spring Holden － AMG E 63 S

－ AMG E 63 S (2017–present)

The 4 individual user selectable and adjustable performance settings allow drivers to select according to their own preferences

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Fits 04-06 Pontiac GTO

PSI LS Beehive Valve Spring Holden － AMG E 63 SPSI LS Beehive Valve Springs are the highest quality single valve springs we can find, utilising factory locks and retainers to keep cost & valve train weight to a minimum. Each and every PSI spring begins with wire that is made from the highest quality Chrome Silicon alloys. Through the use of the latest developments in melt technology, composition control and casting practices, these alloys are held to the strictest cleanliness standards ever