AutoTec Forged Piston & Ring Set - made from 4032 aluminum alloy, these pistons are designed for engines making up to 500HP, and are available in dished or flat-top.

AutoTec is a High Quality, Precision Manufactured piston option. That comes at a very respectable price. Our Design Specific Forging allows us to manufacture our parts with less machining time, thus allowing us to keep production cost down. Made from 4032 High Silicone Aluminum Alloy, it has great wear resistance, a low expansion rate, is very durable, and is very low in friction. These pistons accommodate multiple uses including your muscle cars, restorations, performance street rods, and many racing classes. They can also withstand mild nitrous kits and small turbo or super chargers. Just about everyone can benefit from the excellent value the AutoTec line carries. These pistons were originally designed for about 500 Horsepower, however some customers have used these pistons in engines that yield 850+ Horsepower by fine tuning their engines.

Bore, Ring Pack, and Compression Height changes can be made to any shelf part at no extra charge. Meaning we can make what you need without charging a custom price. Every part is made with same high quality machines and tools as our RaceTec line including diamond turned ring grooves, and skirts. 100% Made in the USA.

Special order - please allow 4-6 weeks for delivery.