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

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