The Kudos Motorsports’ Step 1 to Spec 2 Conversion Kit is the ultimate upgrade for Nissan RB26DETT engines equipped with a Step 1 HKS V-Cam systems. This kit uses 100% genuine HKS components to transform your Step 1 setup into the more aggressive Spec 2 configuration, delivering enhanced performance and responsiveness for high-powered builds.

Performance Upgrade Highlights:

• Camshaft Duration: Increased from 248° to 264° for improved airflow and power at higher RPMs.
• Valve Lift: Upgraded from 8.6mm to 8.7mm for enhanced intake efficiency.
• Valve Timing: Adjusted from 90°~120° to 75°~125° for optimised combustion and torque delivery.

This conversion kit is ideal for enthusiasts seeking to unlock the full potential of their RB26DETT while maintaining the reliability and precision of genuine HKS engineering. Perfect for advanced tuning setups, track applications, and high-performance street builds.

Package Contents:

• V-Cam Step 2 Camshaft
• V-Cam Step 2 50° Camshaft Phaser Assembly
• V-Cam Camshaft Cover Seal, Intake
• V-Cam Camshaft Sprocket Overhaul Kit
• 4 × O-rings for Joint Pipe (Thickness:⌀ 1.5 mm / I.D.: ⌀ 5.5 mm)
• 1 × O-ring for Adapter Connector (Thickness:⌀ 1.9 mm / I.D.: ⌀ 13.0 mm)
• 1 × O-ring for Oil Control Valve (Thickness: ⌀ 1.9 mm / I.D.: ⌀ 16.8 mm)
• 1 × O-ring for Cam Angle Sensor (Thickness:⌀ 2.4 mm / I.D.: ⌀13.8mm)
• 3 × Variable V/T Unit Cover Plate Bolts (M5 x 10)