BC Valve Spring/ Retainer/ Seat/ Seal Kit for 4G63 Evo/DSM (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. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.
Vehicle Fitment:
Mitsubishi 4G63
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4
Purchase Includes:
(16) Dual Springs
(16) Titanium Retainers
(16) Valve Seats
(16) Valve Seals
| 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 |
Notes:
Spring Pressure: BC1100 Seat: 1.550" @ 84 lbs / Open: 1.000" @ 235 lbs / Coil Bind: 0.935" (no machine work required)
Spring Pressure: BC1120 Seat: 1.550" @ 92 lbs / Open: 1.100" @ 235 lbs / Coil Bind: 0.970" (no machine work required)
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WARNING: Cancer and Reproductive Harm www.p65warnings.ca.gov |