Brian Crower BC1030-1 Dual Valve Spring for Honda H22 / Nissan SR20VE

The Brian Crower BC1030-1 is a high-performance dual valve spring designed for Honda H22 and Nissan SR20VE engines. Manufactured by PAC Racing exclusively for Brian Crower, this spring is engineered from premium chrome silicone alloy material and features proprietary processing procedures to ensure consistent spring pressures throughout the RPM range.

Technical Specifications:

• Type: Dual valve spring
• Free Length: 1.815 inches
• Seat Pressure: 1.400 inches @ 88 lbs
• Open Pressure: 0.950 inches @ 220 lbs
• Coil Bind: 0.790 inches
• Net Cam Lift: 0.510 inches (12.95mm)
• Compatible Retainers: BC2010, BC2011, BC2205
• Spring Seat: OEM

Key Features:

• Wound from highest grade, super clean chrome silicone alloy for maximum durability
• Designed for high RPM operation and aggressive camshaft profiles
• System matched with Brian Crower titanium retainers for optimal valve control
• Precision manufactured to deliver consistent spring pressures
• Allows for greater lift camshafts for increased performance and reliability

This single valve spring is ideal for engine builders looking to upgrade their valvetrain for higher RPM operation or when installing performance camshafts. The BC1030-1 provides superior valve control compared to stock springs, reducing valve float and ensuring proper sealing at elevated engine speeds.