Ross Mitsubishi Pistons Performance Forged EVO 4G63 6G72 6G74 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 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 80183, 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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
4G63 Gen1	3.366 (85.5 mm)	3.937	5.906	47	1.13	9	-16.2	1.5, 1.5, 3 mm	301	80183 $775.00 $697.50  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $775.00 $697.50  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $590.19 $531.17  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $750.00 $675.00  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $750.00 $675.00  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $750.00 $675.00  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $975.00 $877.50  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $975.00 $877.50  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!
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 $775.00 $697.50  + DISCOUNTED SHIPPING! Shipping in the USA for this item is only $34.95 when you spend $600.00 or more!

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