Going to use them on a 1972 GMC truck to install a 6.0 and 4L80E. Havent decided on headers yet.
Going to use them on a 1972 GMC truck to install a 6.0 and 4L80E. Havent decided on headers yet.
1972 GMC Sierra Grande SWB 2WD 6.0 liter Gen 3, 4L80E, Fatman stage 5 IFS Under construction
Mark
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