What are these notches in my Valve guides??—X heads.
Hello all engine builders, could you please enlighten me on why every valve guide has this machined notch into it? Same place, all 16 guide tops. 1969 X heads. Thankyou in advance!
Hello all engine builders, could you please enlighten me on why every valve guide has this machined notch into it? Same place, all 16 guide tops. 1969 X heads. Thankyou in advance!