Skunk2 Pro Stage 1+ Camshafts – B-Series VTEC

Unlock up to 15–20 additional horsepower with Skunk2’s Pro Series Stage 1+ Camshafts — high-lift, race-proven profiles engineered for Honda B16, B17, and B18C VTEC engines. Designed for both naturally aspirated and turbocharged setups, these camshafts optimize midrange and top-end power while maintaining seamless VTEC crossover and valvetrain stability all the way to 9,000 RPM.

Manufactured from newly revised chill-cast billet camshaft blanks, Skunk2’s Pro Series Cams are CNC-ground to exacting tolerances and feature patent-pending AMAX and Fast Ramp lobe profiles for unmatched response and efficiency. These technologies — borrowed from Formula One development — maximize area under the lift curve, producing greater airflow, higher cylinder pressure, and more torque without sacrificing reliability.

Each camshaft undergoes extensive computer simulation, dyno validation, and real-world testing to ensure superior performance and consistency. Backed by decades of championship-winning motorsport experience, Skunk2 Pro Stage 1+ Camshafts deliver the perfect balance between daily drivability and race-level power.

Key Features:

• Gain 15–20 HP and 18–22 lb-ft of torque

• Pro Series High-Lift Race Profile designed for NA and turbo builds

• Optimized Midrange & Top-End Power with smooth VTEC transition

• AMAX Technology: Maximizes lift curve area for efficiency and torque

• Fast Ramp Technology: F1-derived profile for rapid valve acceleration

• CNC Ground from Chill-Cast Billet Cores for precision and strength

• Revised Camshaft Blanks with increased torsional rigidity and wear resistance

• Tested Beyond 9,000 RPM for valvetrain stability and performance

• Compatible with Skunk2 Pro XP Valve Springs and Titanium Retainers

• Ideal for heavily modified B-series performance engines

Technical Specifications:

• Intake Duration / Lift: 258° / 12.65mm @ 0.000” lash

• Exhaust Duration / Lift: 260° / 11.90mm @ 0.000” lash

• Intake Centerline: 98°

• Exhaust Centerline: 105°

• Valve Clearance (Intake / Exhaust): .007” / .008”

• RPM Range: 1,500–9,000 RPM

• Expected Gains: +15–20 HP / +18–22 lb-ft

• Material: Chill-cast billet cores

• Technology: AMAX & Fast Ramp design

• Compatibility: VTEC B-Series heads only

Requirements:

• Adjustable Cam Gears: 304-05-5202 (Silver) / 304-05-5205 (Black)

• Pro XP Valve Springs: 311-05-7350

• Pro Titanium Retainers: 308-05-0300

• Cam Degreeing Required

Recommendations:

• Lost Motion Assembly: 312-05-0200

• High-Compression Pistons

• Engine Management Tuning

• Verify Valve-to-Piston and Valve-to-Valve Clearance

Note: When using camshafts with greater than 12.6mm lift, upgraded valve springs and lost motion assemblies are required to prevent coil bind or potential engine damage.

Vehicle Fitment:
Compatible with:

• Honda B16A/B

• Honda B17A

• Honda B18C

Included:

• (2) Pro Series Stage 1+ Camshafts (Intake & Exhaust)

• (1) Installation Guide