Kelford Mitsubishi 4G63 DOHC EVO 1-9 High Performance Beehive Valve Spring and Titanium Retainer Set
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Mitsubishi 4G63 DOHC EVO 1-9. High Performance PACALOY Beehive spring and Titanium retainer set.
Suits high RPM, high boost competition engines. Install at 90lb. Maximum valve lift is 13.50mm.
Kelford Racing, High performance valve spring set (with spring base and titanium retainer) to suit 4G63 DOHC engines, EVO1-EVO9. The valve spring is of ovate wire beehive style, the benefit of this is superior valve control therefore allowing more rpm, boost and reliability versus a parallel spring design. The limit for this spring kit is 8500rpm and 35lb boost |