Skunk2 305-05-5140 Pro 1+ Camshaft Set for 1992-2001 Acura Integra / Honda Civic

Vehicle Fitment

• 1992-2001 Acura Integra GS-R/Type R (1.7L B17A1 / 1.8L B18C1 / B18C5 DOHC VTEC)
• 1999-2000 Honda Civic Si 1.6L (B16A DOHC VTEC)
• 1994-1997 Honda Civic del Sol VTEC 1.6L (B16A DOHC VTEC)

Features

• Pro 1+ camshaft set designed for high-performance B-series VTEC engines (1.6L-1.8L)
• Optimised lift/duration for improved mid- and top-end power while retaining streetable behavior
• Seamless VTEC transition for broader usable powerband
• CNC-ground lobes with high-strength chill-cast blanks for durability under high RPM conditions
• Suitable for naturally aspirated or lightly forced B-series VTEC builds when paired with supporting mods
• Requires upgraded valve springs and retainers for full performance potential
• Designed for performance street use, but not legal for sale or use in all emissions-controlled regions
• Ideal upgrade for enthusiasts seeking strong response and track/race capability while retaining driveability

Specifications

• Part Number: 305-05-5140
• Intake Duration/Lift: ~258° at 0.000" lash / ~12.65 mm lift
• Exhaust Duration/Lift: ~260° at 0.000" lash / ~11.90 mm lift
• Intake centreline: approx. 98° ATDC; Exhaust centreline: approx. 105° BTDC
• Recommended valve clearance (cold): Intake ~0.007" / Exhaust ~0.008"
• Usable RPM range: approx. 1,500-9,000 rpm
• Engine compatibility: Honda/Acura B-series DOHC VTEC - 1.6 L/1.7 L/1.8 L
• Emissions: Not legal for sale or use on pollution-controlled vehicles in certain jurisdictions

Included Components

• 1x Intake camshaft (Pro 1+ profile)
• 1x Exhaust camshaft (Pro 1+ profile)
• Installation hardware packet (manufacturer supplied - shims/spacers if required)

Product Description

The Skunk2 Pro 1+ Camshaft Set (part 305-05-5140) is a premium upgrade crafted for the Honda/Acura B-series DOHC VTEC engines - specifically 1.6 L to 1.8 L variants in the 1992-2001 Acura Integra, 1999-2000 Honda Civic Si, and 1994-1997 Civic del Sol. With its aggressive yet street-oriented profile (~12.65 mm intake lift / ~11.90 mm exhaust lift and ~258°/260° durations) the set delivers notable mid-range and top-end improvements while retaining driveability for dedicated enthusiasts.

Built with high-precision CNC machining from chill-cast blanks, these camshafts are engineered for durability, high RPM performance and smooth VTEC engagement. Ideal for naturally aspirated or lightly forced B-series builds, this cam set demands supporting upgrades such as stronger valve springs, retainers and tuned engine management to fully exploit its potential.

Fitment is confirmed for the years and models listed above. **Fitment confirmed through 2001. 2025 coverage unconfirmed at time of listing.** Always verify your specific engine code, chassis, and regional emissions regulations before purchase and installation.