NGK R7420-9 Racing Spark Plug gktech engine bay Mantic Stage 4 clutch kits

Mantic Stage 4 clutch kits feature a 20% increase (over original equipment) in clamp load for increased torque capacity

your investment will last a lifetime (which is why these products are backed by a lifetime warranty) and offer the best possible throttle response and boost holding that any bypass or blow-off valve could deliver

NOTE: Price is for a single exhaust hanger

NOTE: For models up to 2007

NGK R7420-9 Racing Spark Plug gktech engine bay Mantic Stage 4 clutch kitsNGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions. Special Insulator Nose Configurations Improve Throttle Response Corrugated Ribs Prevent Flashover Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength