Kelford Premium Valve Springs EVO 1-9 / 4G63 DOHC

KVS63-BTK-X
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Mitsubishi 4G63 DOHC EVO 1-9

Install at 90lb seat pressure. Maximum valve lift 13.50mm.

High Performance PACALOY™ Beehive Valve Spring and Titanium retainer set. Suits high RPM, high boost competition engines. Install at 90lb seat pressure. Maximum valve lift 13.50mm.