Hey there I have a question will some 94 lt1 heads fit a 91 350 TBI block for my 91 gmc sierra cuzz I have a lots of performance parts on the motor but just blow a head gasket but I want to put some lt1 heads but will they fit????????
The 96-99 L31 Vortec Heads will fit, require a Vortec style Intake.
The 93-97 LT1 Heads will not fit.
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