Heavy-duty spring designed for up to 9500+ rpm and 1000whp, 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
Single

Free Length
1.690"

Seat
1.320" @ 102 lbs

Open
0.900" @ 215 lbs

Coil Bind
0.835"

Retainer
BC2300-24

Spring Seat
OEM

Net Cam Lift
0.460" / 11.68mm