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Supertech Racing Valves and Pistons

Supertech High Performance Valves: Mitsubishi

MITSUBISHI 4G63 2.0L DOHC TURBO
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Eclipse / Talon / Lancer EVO34.00mm (std)6.57mm109.6mmMIVN-100730.5mm (std)6.54mm109.6mmMEVN-1007
34.5mm (+0.5)MIVN-100831.00mm (+0.5)MEVN-1008
35.00mm (+1.0)MIVN-100931.5mm (+1.0)MEVN-1009
36.00mm (+2.0)MIVN-101030.5mm (std)MEVI-1007*
31.00mm (+0.5)MEVI-1008*
31.5mm (+1.0)MEVI-1009*
32.5mm (+2.0)MEVI-1010*
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-M1007S28.1020.00SINGLE76 @ 39.6200 @ 11.514.9024.7010.50RET-M65/T1 + Factory seat
SPR-M1005D28.1020.0020.0015.2080 @39.6200 @ 11.516.0023.5010.50RET-M65/T1 + SEAT-M1007D + valve seal VS-H6.6-I*/VS-H6.6-E*
SPR-M1007D28.1020.0020.0015.2092 @39.6235 @ 11.514.9024.7012.50RET-M65/T1 + SEAT-M1007D + valve seal VS-H6.6-I*/VS-H6.6-E*
SPR-M1007D-228.1020.0020.0014.20100 @ 39243 @ 11.514.3024.7012.50RET-M65/TSTD + SEAT-M1007D + valve seal VS-H6.6-I*/VS-H6.6-E*
SPR-M1007D-328.1020.0020.0014.20110 @ 38.1253 @ 11.513.4024.7012.50RET-M65/TSTD + SEAT-M1007D/FP + valve seal VS-H6.6-I*/VS-H6.6-E*
BEEHIVE SPR-M1007BE-128.0018.8024.2014.5080 @ 38.6230 @ 11.515.3022.8012.80RET-M65/TBE + SEAT-M65BE-1
BEEHIVE SPR-M1007BE-228.0018.8024.2014.5098 @ 37.2248 @ 11.514.0022.8012.80RET-M65/TBE + SEAT-M65BE-2
VALVE GUIDESINTAKE: GDE-MI66-I (+0.03mm/ .001")EXHAUST: GDE-MI66-E ( +0.03mm/ .001")
VALVE GUIDESINTAKE: GDE-MI66-STI (standard size)EXHAUST: GDE-MI66-STE ( Standard size)
VALVE SEALSINTAKE: VS-H6.6-I (reduced OD diameter)EXHAUST: VS-H6.6-E (reduced OD diameter)
VALVE SEALSINTAKE: VS-M6.6-IEXHAUST: VS-M6.6-E
* Same 1st Gen castings may need to use a different seat locator SEAT-M1006D due to a taller valve guide boss.
MITSUBISHI 4B11 2.0L DOHC TURBO
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
EVO X35.00mm (std)5.47mm113.25mmMIVN-101729.00mm (std)5.46mm105.9mmMEVI-1017
36.00mm (+1.0)MIVN-101930.00mm (+1)MEVI-1019
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-M1012/EX127.5020.0020.0015.2075 @ 34.50185 @ 11.514.5020.009.60RET-TS5.5/T1EX + Factory Seat+ SEAT-M1015-2
SPR-M1015/EX227.5020.0020.0015.2075 @ 35.30215 @ 11.514.5020.7012.10RET-TS5.5/T1EX + Factory Seat+ SEAT-M1015-1
SPR-M1015/EX327.5020.0020.0015.2085 @ 34.50228 @ 11.513.8020.7012.10RET-TS5.5/T1EX + Factory Seat+ SEAT-M1015-2
VALVE GUIDESCOMING SOON!!
MITSUBISHI 420A
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
420A35.00mm (std)5.96mm111.70mmMIVN-142030.70mm (std)5.95mm110.0mmMEVN-1420
36.00mm (+1.0)MIVN-142231.70mm (+1.0)MEVN-1422
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-TS1015/NE27.5020.0020.0015.2084 @ 34.6202 @ 24.613.9020.7012.10RET-M60/T1 + OEM SEAT+ SEAT-EC1015
VALVE SEALSINTAKE: VSI-M6-EEXHAUST: VSI-M6-E
MITSUBISHI 6G72 3.0L V6 DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
3000 GT 91-9835.5mm (+0.5)6.57mm106.35mmMIVN-101131.00mm (+0.5)6.54mm105.5MEVN-1011 / MEVI-1011
36.00mm (1.0)MIVN-101231.5mm (+1.0)MEVI-1012*
32.5mm (+2.0)MEVN-1013 / MEVI-1013
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-M1007S-6G7228.1020.00SINGLE100 @ 37.15224 @ 11.512.4024.7010.50RET-M65/T1 (Use factory seat)
SPR-M1005S-6G7228.1020.00SINGLE92 @ 37.15207 @ 11.513.6023.5010.00RET-M65/T1 (Use factory seat)
BEEHIVE SPR-M1007BE28.0018.8024.2014.5092 @ 37.15224 @ 11.514.3522.8012.70RET-M65/TBE (Use factory seat)
LEFT COLUMN
RIGHT COLUMN