Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick The diameter of the polishing

The diameter of the polishing pad - 125 mm

Model 2005 2005

Rover 600 I4 620 Ti Vitesse 1994-1999

Spin On 1980 1980 Chevrolet K20 Suburban 350 V8 2 BBL

Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick The diameter of the polishingOur valve guides are precisely made of high quality manganese bronze. The Supertech valve guides are designed to be used in conjunction with our valves with low friction black nitrided material to provide the best solution in terms of both performance and durability. In the case of exhaust valves designed for use in high power engines that require a better heat transfer coefficient, we use a copper alloy conductor. Copper has about three times higher