Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick 0i LS 1993-1998

0i LS 1993-1998

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

Allows easy installation of N2O and fuel pressure regulator

YAMAHA XVS650A DRAGSTAR CLASSIC - All 2002 2002

Rover 600 I4 620 Ti Vitesse 1994-1999

Valve guide Kit FORD Duratec FOCUS / Mazda 3 MZR 2.0L 2.3L 2.5 L Buick 0i LS 1993-1998Our 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