BC0651 - Subaru FA20/Toyota 4UGSE Dual Spring/Titanium Retainer 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
BC1010 Dual

Free Length
1.607"

Seat
1.350" @ 80 lbs

Open
0.900" @ 220 lbs

Coil Bind
0.765"

Retainer
BC2651

Spring Seat
BC2939

Net Cam Lift
0.500" / 12.7mm