Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick distance thickness - 35mm per

distance thickness - 35mm per side (70mm per axis)

Rover 600 I4 620 Ti Vitesse 1994-1999

Honda RSX Type-S / Honda Civic Type-R

Volvo V40 D4192T2 1

YAMAHA XVS650A DRAGSTAR CLASSIC - All 2002 2002

Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick distance thickness - 35mm perOur 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