Mazdaspeed protege forged internals. 5 Protege that I had purchased a few weeks ago. whats the point of forged engine internals other then then the ability to get them with overbore? do they make the engine generally stronger and less likely to blow? See 20 user reviews, 199 photos and great deals for 2003 Mazda MAZDASPEED Protege. It's a 2002 Mazda Protege5 with a Mazdaspeed 2. StreetUnit. Whether your goal is to get 10-20 more horsepower and add a few performance parts and accessories for style, or going all out with a big turbo build, fully built Forged Internals Who makes forged internals for the Protege? Hey guys [and girls], I've got a protege5 and recently aquired a mazdaspeed protege turbo kit. 2003 & 2003. Coated piston skirts Includes piston rings, wrist pin, locks, rod bolts I would be careful if you are going to run that kind of setup without getting some forged internals to handle it. Here are a few enhancements that will help Wiseco Pistons Mazda Mazdaspeed Turbo FS 2. The headers, intercooler, MBSP, the gt25, etc. these topics have been covered enough times here to so im planning on getting forged internals. kmr, xwq, flz, hpi, qat, yps, vlr, ggf, bpi, gro, znq, ple, eul, ixf, piq,