Brian Crower Single Valve Spring Kit Nissan SR20 BC1200

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. 

• Brand: Brian Crower
• Manufacturer Part Number: BC1200
• Type: Single
• Free Length: 1.980"
• Seat: 1.550" @ 90lbs
• Open: 1.025" @ 220lbs
• Coil Bind: 0.910"
• Retainer: BC2200, BC2200S, OEM
• Spring Seat: OEM
• Net Cam Lift: 0.550" / 13.97mm