289 High Performance V8 289 Cylinder Head
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The 289 High Performance cylinder head isn't much different than a 2V/4V head. Spring pockets, screw-in rocker arm studs, and stiffer valve springs keep the valvetrain stable at high rpm. Valve and port size along with combustion chamber size (53-57cc) is the same as 2V/4V..... View Related Article
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