400ex 416 and 440ex
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400ex 416 and 440ex
I would skip out on the 440 kit. Reliability issues aside, they dont rev as quick as a 416 or 426 does with the piston kit mod alone.
I've ran many 416 and 426 kits and prefer the 426 personally to get the best of both worlds and keep reliability as close to stock as possible while picking up power in the process. Depending on what else you do to the engine ofcourse.
I've ran many 416 and 426 kits and prefer the 426 personally to get the best of both worlds and keep reliability as close to stock as possible while picking up power in the process. Depending on what else you do to the engine ofcourse.
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