Turbosmart BOV Smart Port 60mm Upgrade Kit - Black - TS-0205-3114 540cc ZX4-HDR4 kit features ACT's most

ZX4-HDR4 kit features ACT's most popular Heavy Duty pressure plate

Turbosmart’s Boost-Balance system means the more boost you feed these valves

The spherical joint in the rocker has been heavily upgraded over the OEM design to allow for wear-compensation

Clutch Disc: 4236207

Includes air diversion plates to direct air through the intercooler core for maximum efficiency

Turbosmart BOV Smart Port 60mm Upgrade Kit - Black - TS-0205-3114 540cc ZX4-HDR4 kit features ACT's mostUpgrade your existing Type 5 BOV to our new SmartPort spec with this simple kit. A 60mm black anodized SmartPort Trumpet and Red 17 to 14 inHg spring is included. Turbosmarts SmartPort technology helps keep the BOV shut even with a softer BOV spring, improving valve response. SUITABLE FOR Type 5 Dual Port Supersonic Plumb Back