Stielow has decided to upgrade the engine with a GM Performance Parts Bow-Tie aluminum block, Dart CNC-machined 18-degree cylinder heads, and some new valvetrain components to take advantage of the ...
Any engine builder will tell you how important cylinder heads are to power and performance, so enthusiasts looking to spruce up their budget Chevy 305 small-block (SBC), or the larger and more popular ...
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