Performance Springs Nissan RB30ET 6-Cylinder SOHC Dual Valve Spring & Titanium Retainer Kit

Performance Springs PST RB30K is a performance Dual Valve Spring and Titanium Retainer Kit designed specifically for the Nissan RB30ET 6-cylinder SOHC engine.

This kit provides a simple drop-in setup and is designed to improve valve train control for performance RB30ET applications. The springs are installed at 135 lb seat pressure and provide 275 lb at 10 mm lift, 320 lb at 12.7 mm lift and 335 lb at 13.9 mm lift.

The kit includes both the Performance Valve Springs and matching titanium retainers, providing a complete spring and retainer upgrade for the RB30ET.

Product Specifications:

• Spring Type: Dual Valve Spring
• Installed Height: 1.635"
• Seat Pressure: 135 lb
• Pressure @ 10 mm Lift: 275 lb
• Pressure @ 12.7 mm Lift: 320 lb
• Pressure @ 13.9 mm Lift: 335 lb
• Maximum Valve Lift: 0.550"
• Coil Bind: 0.990" (25.1 mm)

Kit Includes:

• 12 × Performance Valve Springs – Dual
• 12 × Titanium Retainers

Performance Valve Springs specifies the PST RB30K specifically for the Nissan RB30ET 6-cylinder SOHC engine. The kit includes the 12 springs and 12 titanium retainers required for the engine.

Important: Always verify installed height, valve lift, spring pressures, coil bind clearance, retainer compatibility and all other dimensions before installation. Performance Valve Springs states that spring pressure specifications have an approximate ±8% tolerance. The installer is responsible for checking and rechecking all dimensions, pressures, applications and specifications before, during and after installation.