21mm B Series HD Wrist Pin
$23.00
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The HD wrist pin is a thicker stronger wrist pin, perfect for high horsepower builds. What is a strutted piston skirt, and do I need it? How much power can “off-the-shelf” pistons handle? In this video we explain the difference between custom pistons and “off-the-shelf” pistons. We also show you what a 1,000 HP+ piston looks like.
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