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1, Increases Power, 2. Better Cooling, 3.Improves Combustion, 4.Smaller Size for ease of installation, 5. Improves Sound, 6. Eliminates unwanted dead engine autos. "kick ass head...no mid range problems...a very good investment...When I go full pitch to full pitch there is no hesitation...James' machine shop is very impressive not a garage operation...glow plugs seem to last longer...I give it a thumbs up! " Jason Krause "definitely more power, lighter and smoother" "very good investment, runs approx. 30 degrees cooler" Henry Caldwell |
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