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3800 Federal Mogul Hypereutectic Pistons

Federal-Mogul machines all Speed-Pro pistons to tight tolerances with fully updated skirt profiles.

Meeting the need for high performance is our strength. We deliver increased durability, reduced weight, higher temperature limits and unmatched oil control.
Federal-Moguls Speed-Pro® brand uses technology that produces outstanding hardness and thermal characteristics to produce hypereutectic pistons that are the ideal choice for street performance motors, oval-track “claimer” engines, bracket racing applications and moderate supercharged engines.

Manufactured with an exclusive higher-strength FM244 alloy with 16.5 percent silicon finely dispersed throughout the material, Speed-Pro hypereutectic pistons operate with standard ring-end gaps and conventional ring-land locations.

Speed-Pro piston performance is enhanced even more by Federal-Mogul’s DUROSHIELD® skirt coating, which reduces friction, improves horsepower and extends piston life.

8.5:1 compression and uses the L67 or L32 connecting rods.

Rings are sold separately. Compatible rings can be found here.

Price is for a set of 6 pistons.

Customer Reviews
5.0 Based on 2 Reviews
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Alan V.

They looked great so far so good

Ronald N.
2002 GTP Rebuild

Very happy with the quality of the Federal Mogul Hypereutectic Pistons. The rebuilt 3800 runs great. I am also very happy with ZZPERFORMANCE. All my parts were shipped on time as promised.