GSC 2031-8 28mm Exhaust Valves Set of 8 for Honda B-Series DOHC VTEC

Vehicle Fitment

• 1988-2001 Honda Civic (B16A/B17A/B18C VTEC engines)
• 1988-1991 Honda CR-X (B16A VTEC engine)
• 1990-1993 Acura Integra (B16A/B17A VTEC engines)
• 1994-2001 Acura Integra GS-R/Type R (B18C VTEC engines)
• Honda Civic del Sol VTEC (B16A/B17A/B18C engines)
• Various Honda sport compact engines requiring standard 28 mm exhaust valves

Features

• Set of 8 chrome-polished exhaust valves from GSC Power-Division
• 28 mm standard head diameter for direct OEM replacement
• Chrome-polished stems for smooth guide movement and reduced friction
• Swirl-polished heads to improve exhaust flow and engine breathing
• Back-cut design reduces valve weight for higher RPM performance
• Modified 23-8N stainless steel material for strength and heat resistance
• Valve tip optimized for reduced wear and improved durability
• Engineered for performance and high-RPM reliability in DOHC VTEC engines

Specifications

• Brand: GSC Power-Division
• Part Number: 2031-8
• Valve Type: Exhaust
• Head Diameter: 28 mm (standard)
• Material: Modified 23-8N stainless steel
• Quantity: Set of 8 valves
• Finish: Chrome-polished stems and swirl-polished heads
• Engine Type: Honda B-Series DOHC VTEC engines

Included Components

• 1x Set of 8 exhaust valves (28 mm size)
• Note: Valve springs, retainers, seals, and keepers are not included

Product Description

The GSC Power-Division 2031-8 exhaust valve set is engineered for high-performance Honda B-Series DOHC VTEC engines such as those found in Civic, CR-X, and Integra models from the late 1980s through 2001. Featuring a standard 28 mm head diameter and chrome-polished stems, these valves are designed to provide smooth movement within the valve guides and improved durability under elevated RPM conditions. Swirl-polished heads combined with a back-cut profile help enhance exhaust flow and allow for efficient breathing in highly tuned or race-oriented engines.

Constructed from modified 23-8N stainless steel, these exhaust valves offer strength and heat resistance suitable for both performance street engines and motorsport applications. They are ideal for engine rebuilds, performance upgrades, or high-RPM builds where reliable valve train components are essential. Professional installation including appropriate matching components (springs, seals, retainers) is recommended to ensure optimal performance and longevity of the valvetrain.