GSC Power-Division Beehive Spring Set with Titanium Retainer for all 4G63s #GSC5040

DescriptionGSC Power-Division Beehive Spring Set with Titanium Retainer for all 4G63sIN: 84 lbs @ 1.590″ / EX: 90 lbs @ 1.570″ install heightIN: 227 lbs @ 1.149″ / EX: 233 lbs @ 1.129″Check your valve spring install heights hereGSC5040 Beehive Valve Spring Kit with Ti Retainers for all 4G63sSetupCoil Bind (in)Install Height (in)Seat Pressure (lbs)Open Pressure, 11.20mm LiftMaximum Valve Lift (in)Beehive1.0041.590 / 1.57084 / 90227lbs @ 1.149″ 233lbs @ 1.129″0.506Max RPM: 8,500 RPMMax boost: 30 psiThe GSC Power-Division Beehive Valve Spring Kit with Ti retainer for all 4G63s includes 16 titanium retainers and 16 beehive valve springs. This set can be used for EVO 1-7 & EVO 8/9 if you are looking to replace the OEM retainers. Our beehive spring utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control.