Big-Block Chevy Engine Build - 707 HP For $6,720
After JGM had cut the stock Speed-Pro hypereutectic pistons, we double-checked our valve-to-piston clearance to ensure the valves would not crash the piston party at high rpm. Unfortunately, this also reduced the static compression ratio down to a realistic 9.9:1 We installed the pistons with a 4.310-inch Powerhouse tapered ring compressor. View Related Article
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