Brian Crower Mitsubishi 4G63/Evo VIII/Evo IX Spring/Titanium Retainer/Seat/Valve Seal Kit BC0120

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures.

Type	BC1120 Dual
Free Length	1.800"
Seat	1.550" @ 92 lbs
Open	1.100" @ 235 lbs
Coil Bind	0.970"
Retainer	BC2120
Spring Seat	BC2910
Net Cam Lift	0.520" / 13.2mm