VW Racing Intake Valve Guides vw crankshaft use of Quickseat in conjunction

use of Quickseat in conjunction with Total Seal Gapless piston rings allowed for leakage rates to be 0-1% after about 5 minutes of break in time on the engine

These are Short Intake Manifolds

Starting with the best in Class Empi GTV-2 Cylinder head casting

precision ground and then micro polished

VW Racing Intake Valve Guides vw crankshaft use of Quickseat in conjunctionSilicone Bronze is by far the most superior valve guide material available today. These valve guides are strong and durable. They reduce friction, improve lubrication and offer extended reliability. Intake guide is 53. 40mm long and exhaust guides are 58. 28mm long. Sold in sets of 4.