Skunk2 Racing Pro Series XP Valve Spring Set (311-05-7350) Prop_65_(C Perhaps the best feature about

Perhaps the best feature about this intercooler system is that it maintains cooling efficiency as more power producing upgrades are added to your Porsche 997

Magnum Flow Pro Dry S Oval Tapered Gray Air Filter (21-91116) by aFe

the rear exhaust alone offers a subtle upgrade while maintaining OEM valve functionality

We chose to use Phosphor Bronze (Cn-Sn-P alloy) to make our Valve Guides

or discoloration beyond one shade

Skunk2 Racing Pro Series XP Valve Spring Set (311-05-7350) Prop_65_(C Perhaps the best feature aboutSeat Pressure: 93 lbs at 1. 320in. Open Pressure: 238 lbs at . 820in. Coil Bind: . 718in. Must Use Skunk2 P N: 312 05 0015 (Spring Bases) to Install in H22A F20B Engines. Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B series 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.