SpeedPro FMP H615CP30 Small Block Chevy 400 Dished Pistons 4.155 Bore Cast Rings

Chevy 400 Hypereutectic Speed Pro Pistons with Cast Rings. If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from FM244 aluminum alloy, which contains 16 percent silicon for greater strength and wear resistance.

They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. They're ideal for use in high performance street, bracket racing, and oval track racing and will work perfectly with normal ring end gaps. We've included a matching set of high performance cast rings to get your project rolling without the guesswork! You can count on KMJ Performance to get the most power out of your engine block! These hypereutectic Speed Pros are perfect for stock to moderate performance rebuilds.

Silicone aluminum alloy allows them to run with tighter clearances, less friction, and increased sealing. Higher strength compared to regular cast pistons. Duroshield coating on piston skirts delivers longer life and reduced friction. To prevent any delays with your order you should watch for the following common issues. Addresses that only have a PO Box can cause long delays and almost always result with having to credit/cancel the order in the end.

If the ord er requires multiple packages someone will need to sign for each one. Some items are not combined due to size or weight such as crankshafts, torque converters, radiators, cylinder heads, etc.