Skunk2’s Pro Series Camshafts for Honda’s B-series engines dramatically increase both horsepower and torque yet retain complete valvetrain stability and exceptional engine response. Ideal for heavily modified engines, Pro Series Camshafts are manufactured from proprietary, high-quality cores, are CNC ground, and feature patent-pending profiles with unique lobe shapes and revolutionary lift, velocity, and acceleration characteristics.

Pro 1+ Specs:
Intake Centerline: 98° ATDC
Exhaust Centerline: 105° BTDC
Valve Clearance (Intake / Exhaust): .007” / .008”
RPM Range: 1,500 - 9,000 rpm
HP Gains: 15 - 20 hp
Torque Gains: 18 - 22 lb-ft

 Required: Pro Series Valve Springs, Titanium Retainers, Lost Motion Assembly.
Recommended: High-compression, fuel pressure regulator and/or upgraded fuel injectors, VTEC controller, modified ECU.

Pro 2+ Specs:
Intake Centerline: 99° ATDC
Exhaust Centerline: 106° BTDC
Valve Clearance (Intake / Exhaust): .007” / .008”
RPM Range: 1,500 - 9,400 rpm
HP Gains: 20 - 25 hp
Torque Gains: 18 - 22 lb-ft

 Required: Pro Series Valve Springs, Titanium Retainers, Lost Motion Assembly.
Recommended: High-compression, fuel pressure regulator and/or upgraded fuel injectors, VTEC controller, modified ECU, deep valve pockets.

Pro 3+ Specs:
Intake Centerline: 100° ATDC
Exhaust Centerline: 104° BTDC
Valve Clearance (Intake / Exhaust): .007” / .008”
RPM Range: 1,500 - 9,800 rpm
HP Gains: 25+ hp
Torque Gains: 18 - 22 lb-ft

 Required: Pro Series Valve Springs, Titanium Retainers, Lost Motion Assembly.
Recommended: High-compression, fuel pressure regulator and/or upgraded fuel injectors, VTEC controller, modified ECU, deep valve pockets. 

Please note: When using camshafts with greater than 12.6mm of lift, the following components must be used due to the stock lost motion assembly’s limited ability for maximum camshaft lift. Failure to do say may result in potential engine damage: 

• Skunk2 Pro Series Valve Springs (P/N 311-05-5350)
• Skunk2 B-Series VTEC Lost Motion Assembly (P/N 312-05-0200)