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AutoTec™ Pistons - Pro Quality shelf and custom pistons from concept to reality!

The AutoTec™ line is a high quality, precision manufactured piston option at an extremely competitive price. Their design specific forgings allow the manufacturing of parts with less machine time, enable keeping production costs down and pass that savings on to you.

AutoTec™ forged pistons are made on the same high quality machines and with the same tools as the RaceTec™ line, including utilizing diamond turned ring grooves and skirts. Made out of 4032 high silicone aluminum alloy, Autotecs are extremely durable, have great wear resistance, a low expansion rate, and achieve very low friction losses.

Autotec is also the ONLY piston manufacturer that offers completely custom 4032 Alloy pistons. If you don’t see your combination, call our customer service team and ask…we can make it for you!

AutoTec™ pistons most common applications include muscle car restorations, performance street rods, as well as many spec racing classes. They can also withstand 150 hp nitrous kits, or up to 10 lbs of boost using turbos or superchargers.

Originally designed for approximately 600 horsepower, we have customers that frequently fine tune engines that, with a bit of boost, allow 850+ horsepower in Small Block applications. Everyone can benefit from the excellent value the AutoTec™ line provides!

AutoTec™ pistons are 100% PROUDLY MADE IN THE USA with the highest quality materials.
Chevrolet
350 Small Block - 400 Small Block - 427/454 Big Block - LS Series
Ford
302 Windsor - 351 Windsor - 302/351 Cleveland - 351/400M - FE Series - 4.6/5.4L Modular