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Ross Mitsubishi Pistons Performance Forged EVO 4G63 6G72 6G74 Pistons

Ross Mitsubishi Pistons

High performance Mitsubishi pistons from ROSS Racing Pistons are used in serious performance and competition engines by top level engine builders the world over. Ross forged pistons combine light weight, high strength, precision machining and premium materials to build a forged piston you can depend on. Ross Mitsubishi pistons help provide improved engine torque, horsepower, efficiency and dependability. We offer discounted prices on these superb Ross forged pistons and quick shipping. If you need help we are happy to provide technical assistance.

These ROSS Mitsubishi piston sets include forced pin oilers when applicable and wrist pin retention lock rings. The pistons are pin fit and balanced to plus or minus 2.5 grams throughout the set. Valve pockets are radius machined and designed to handle most camshaft applications. The skirt design allows the pistons to work properly under intense heat and tremendous side loads without scuffing or splitting cylinder walls. Buy the best Mitsubishi pistons made by Ross Pistons and get more enjoyment out of your high performance Mitsubishi automobile.

Ross Forged Mitsubishi Piston and Ring Sets Mitsubishi Turbo Pistons

ross racing pistons mitsubishi turbo pistons

  • COMPRESSION RATIO Based on factory head and gasket
  • FORCED INDUCTION Yes OK for use in Mitsubishi turbocharged engines
  • NITROUS Yes OK for use in Mitsubishi Nos boosted engines
  • TECH-TIP Gen 1 4G63 pin diameter .827, Gen 2 pin diameter .866
  • WHAT’S INCLUDED Forged piston set, Piston rings, Locks, Pins (.200 Thick Straight Wall 52100 Bearing Steel) Piston Set numbers 99869, 99870, 99871, 99872 and 99809 also include oil ring support rails
engine code bore stroke rod length head cc c.h. comp ratio dish and valve relief volume rings gram wt. part no.
4G63 Gen1 3.376 (85.75 mm) 3.465 5.906 47 1.375 8.3 -12.5 1.5, 1.5, 3 mm 352 99810

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4G63 Gen1 3.366 (85.5 mm) 3.465 5.906 47 1.375 8.3 -12.1 1.5, 1.5, 3 mm 350 99811

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4G63 Gen2 3.366 (85.5 mm) 3.465 5.906 47 1.375 8.3 -12.1 1.5, 1.5, 3 mm 343 99815

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4G63 Gen2 3.376 (85.75 mm) 3.465 5.906 47 1.375 8.3 -12.5 1.5, 1.5, 3 mm 345 99816

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4G63 Gen1 3.366 (85.5 mm) 3.937 5.906 47 1.13 9 -16.2 1.5, 1.5, 3 mm 301 99869

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4G63 Gen1 3.376 (85.75 mm) 3.937 5.906 47 1.13 9 -16.7 1.5, 1.5, 3 mm 318 99870

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4G63 Gen2 3.366 (85.5 mm) 3.937 5.906 47 1.13 9 -16.2 1.5, 1.5, 3 mm 312 99871

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4G63 Gen2 3.376 (85.75 mm) 3.937 5.906 47 1.13 9 -16.7 1.5, 1.5, 3 mm 315 99872

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EVO STD 3.346 (85 mm) 3.465 5.906 47 1.375 8.8 -10.5 1.0, 1.2, 2.8 mm 329 99873

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EVOX 4B11 3.386 (86 mm) 3.386 5.656 50.5 1.312 9.1 -4.4 1.0, 1.2, 2.8 mm 342 80180

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EVOX 4B11 3.406 (86.5 mm) 3.386 5.656 50.5 1.312 9.1 -4.4 1.0, 1.2, 2.8 mm 345 80181

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6G72 4V 3.607 (91.6 mm) 2.992 5.656 50.5 1.312 9 -2 1.0, 1.2, 2.8 mm 358 99874

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6G72 4V 3.617 (91.87 mm) 2.992 5.548 51 1.254 9 -2.2 1.0, 1.2, 2.8 mm 379 99875

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6G74 SIGMA 3.661 (93 mm) 3.386 6.048 46 1.254 8.3 -11.1 1.5, 1.5, 4 mm 376 99809

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We have Ross forged piston sets for the following Mitsubishi engines. If you need pistons for a engine not on this list, we also offer custom forged Mitsubishi pistons. Please contact us for assistance with custom pistons.

  • EVO
  • 4G63 Generation 1
  • 4G63 Generation 2
  • EVO
  • EVOX
  • 4B11
  • 6G72

Ross Forged Pistons Main Index

 

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