Skunk2 Pro XP Valve Spring Set - Honda B Series VTEC - 311-05-7350 8814 Series We hate to use the

We hate to use the "P" word

trust Mishimoto with all your Focus ST parts

Begins opening 48°F (27°C) earlier than stock to let coolant flow through your radiator sooner

Skunk2 is proud to introduce its Lost Motion Assembly Spring Kits for the Honda B16A/B

Cast aluminum end tanks with incorporated diverters for maximum flow

Skunk2 Pro XP Valve Spring Set - Honda B Series VTEC - 311-05-7350 8814 Series We hate to use theSkunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B16 B17 B18 VTEC engines. Each kit includes Skunk2's high quality race proven dual valve springs that are the result of nearly two decades of racing and engine building experience. XP features a higher seat pressure for turbocharged and extreme high RPM motors. This spring has a seat pressure of 93lbs @ 1. 320 while keeping the coil bind height for