racetec piston & ring set, nitride top ring, sb ford 347 20deg , flat top, 0.03 oversize, 4.030 bore, 3.400 stroke, 1.090

AUTOTEC SMALL BLOCK FORD 302/351W 20deg FORGED PISTON SET (PART #RTC-1000349)

RaceTec AutoTec Forged Pistons

RaceTec's AutoTec line of forged pistons offers high-quality, precision manufactured options at competitive pricing. The primary material used for AutoTec pistons is 4032 high-silicone aluminum alloy which is extremely durable, has great wear resistance, a low expansion rate, and is very low in friction.

The most common applications for AutoTec pistons include muscle car restorations, performance street rods, as well as many spec racing classes. They can also withstand mild nitrous kits, small turbos, or superchargers. A large selection of sizes and styles is available. Choose the proper fit for your application build.

Additional features for most pistons in the AutoTec line:

• CNC Precision machined ring grooves


• Top ring land gas distribution groove to enhance performance and improve ring seal


• Wrist pins, pin fitting, wire locks, broached pin oilers, and accumulator groove are included


• Diamond turned skirts