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Supertech Racing Valves and Pistons

Supertech High Performance Valves: Nissan

NISSAN SR20 DE / DET 2.0L DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
SX / NX / Sentra / G20 91-9834.15mm (std)5.97mm101.40mmNIVN-100530.15mm (Std)5.94mm (DE)102.40mmNEVN-1005
34.65mm (+0.5)NIVN-100630.65mm (+0.5)NEVN-1006
35.15mm (+1.0)NIVN-100731.15mm (+1.0)NEVN-1007
31.15mm (+1.0)NEVI-1007*
30.15mm (std)6.94 mm (DET)102.40mmNEVI-1005/7*
31.15 (+1.0)NEVI-1007/7*
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-H1020S/SR2030.0021.80SINGLE75 @ 40.5168 @ 12.015.0025.507.90RET-NSR20/T1 + Factory Seat
SPR-H1022D/SR2030.0021.8020.5015.5095 @ 40.5230 @ 12.016.0019.5011.20RET-NSR20/T1 + SEAT-SR20/6 + SEAT-H/N240
OEM SEAT
SPR-H1021D/SR2030.0021.8021.3015.50106 @ 40.5265 @ 12.015.5025.0013.20RET-NSR20/T1 + SEAT-SR20/6 + SEAT-H/N240
OEM SEAT
SPR-H1020D/SR2030.0021.8021.3015.50116 @ 40.5275 @ 12.015.0025.5013.20RET-NSR20/T1 + SEAT-SR20/6 + SEAT-H/N240
OEM SEAT
VALVE GUIDESINTAKE: GDE-NSR6-IEXHAUST: GDE-NSR6-E
EXHAUST: GDE-NSR6-ET (7mm to 6mm Guide conversion - Use Seal VS-N6-E )
EXHAUST: GDE-NSR7-E) ( Use Seal VS-N7-E
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E for the DE / VS-N7-E for the DET
TITANIUM VALVESPLEASE CALL
NISSAN SR20 VE 2.0L DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
35.5mm (+1)5.97mm99.70mmNIVN-1007-VE31.15mm (+2)5.97mm100.5NEVI-1007-VE*
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-2035-202230.0021.8020.5015.5093 @ 37.5187 @ 1015.5022.009.40RET-NSR20/T1 + Factory Seat
SPR-H1022D-VE30.0021.8020.5015.50123 @ 37.5238 @ 1015.5022.0011.20RET-NSR20/T1 + OEM SEAT (To increase Net Lift it is necessary to machine inner spring boss)
SPR-H1021D-VE30.0021.8021.3015.50138 @ 37.5270 @ 1014.3023.1013.20RET-NSR20/T1 + OEM SEAT (To increase Net Lift it isnecessary to machine inner spring boss)
VALVE GUIDESINTAKE: GDE-NSR6-IEXHAUST: GDE-NSR6-E
NISSAN Pulsar GTi-R / RNN14
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Nissan Pulsar GTi-R35.15mm (+1)5.97mm102.10mmNIVN-1007-GTIR31.15mm (+1)6.94mm103mmNEVI-1007-7GTIR*
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-H1005D/GTIR29.6521.8520.5015.5075 @ 38.5190 @ 1017** (10.6mm)20.7011.50RET-NSR20/T1 + OEM seat
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N7-E
** Retainer will hit the guide at 10.6mm of lift
NISSAN 300 - VG30D 3.0L DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
300 ZX 90-9634.5mm (+0.5)5.97mm103.15mmNIVN-101730.0mm (+0.5)5.97mm103.70mmNEVI-1017*
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-TS1015/227.5020.0020.0015.2084 @ 35202 @ 1012.0020.7012.70RET-NVG1015/T1 + SEAT-TS1015
SPR-TS1012/227.5020.0020.0015.2074 @ 35192 @ 1012.0020.7012.70RET-NVG1015/T1 + SEAT-TS1015
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
NISSAN 240 - KA24DE 2.4L DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
240 SX / Altima 91- 9936.60mm (std)6.97mm101.32mmNIVN-100931.8mm (+0.5)6.94mm99.00mmNEVN-1010
37.10mm (+0.5)NIVN-101032.00mm (+0.7)NEVI-1011*
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-H1000D/24029.6521.8520.5015.5096 @ 34.85240 @ 11.8014.0020.7012.80RET-H70/T1 + SEAT-H/N240
SPR-H100DR/24030.2022.2022.2016.8084 @ 34.85225 @ 11.8014.2020.5012.00RET-H70/T1 + SEAT-H/N240
SPR-H1002D/24029.0521.8520.5015.5073 @ 34.85225 @ 11.8015.3019.5010.00RET-H70/T1 + SEAT-H/N240
VALVE SEALSINTAKE: VS-N7-EEXHAUST: VS-N7-E
CAM FOLLOWERSCF-34/3.5+ (+ shims 1.5mm to 2.7mm thick)
NISSAN SKYLINE RB20 24v DOHC / HYDRAULIC LIFTER
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Skyline RB20 DET 6Cyl / 24v31.10mm (+1.0)5.97mm90.7mmNIVN-104227.50mm (+1.0)5.94mm89.90mmNEVI-1042*
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-2081/RB2027.5020.00SINGLE70 @ 32.8156 @ 912.1020.709.60RET-NVG1015/T1 + SEAT SS-2820/2.2
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSFactory Hydraulic Cam Follower
NISSAN SKYLINE RB20 24v DOHC / SOLID LIFTER CONVERSION
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Skyline RB20 DET 6Cyl / 24v31.10mm (+1.0)5.97mm107.5mmNIVN-1042-SL27.50mm (+1.0)5.94mm106.7mmNEVI-1042-SL*
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/RB2027.5020.0020.0015.2075 @ 35.60208 @ 1114.9020.7012.10RET-NVG1015/T1 + SEAT-RB25-E (24)
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSFor standard Base Circle: CF-31/2.5+ SHIMS / For reduced Base Circle CF-31/3.28+ SHIM
NISSAN SKYLINE RB25 24v DOHC / HYDRAULIC LIFTER
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Skyline RB25 DET 6Cyl / 24v 92-0135.15mm (+1.0)5.97mm86.75mmNIVN-105230.65mm (+1.0)5.94mm89.00mmNEVI-1052*
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-2081/RB2527.5020.00SINGLE85 @ 30.6171 @ 99.9020.709.60RET-NVG1015/T1 + Intake OE seat+ Exhaust SS-2820-E +OE
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSFactory Hydraulic Cam Follower
NISSAN SKYLINE RB25 24v DOHC / SOLID LIFTER CONVERSION
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Skyline RB25 DET 6Cyl / 24v 92-0135.15mm (+1.0)5.97mm103.55mmNIVN-1052-SL30.65mm (+1.0)5.94mm105.8mmNEVI-1052/SL*
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/RB2527.5020.0020.0015.2083 @ 35.00216 @ 1114.3020.7012.10RET-NVG1015/T1 + SEAT-RB25-I (12) + SEAT-RB25-E (12)
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSFor standard Base Circle: CF-31/2.5+ SHIMS / For reduced Base Circle CF-31/3.28+ SHIM
NISSAN SKYLINE RB26 24v DOHC
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Skyline RB26 DET 6Cyl/24v 92-0135.65mm (+1.0)5.97mm102.3mmNIVN-103231.15mm (+1.0)6.94mm101.2mmNEVI-1032/7*
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)O.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-M1007S/RB28.1020.00SINGLE70 @ 40.7188 @ 1116.0024.7010.50RET-NRB60/TS + factory seat (opt. spring shim SS-3025 )
SPR-M1007D/RB28.1020.0020.0015.20In: 92@40.7In: 232 @1115.3024.7012.50RET-NRB60/TS + factory seat
Ex: 82 @40.7Ex: 222 @11
SPR-TS1015/RB2627.5020.0020.0015.20In: 71 @ 35.0Int: 204 @ 1114.3020.7012.10RET-NRB60/TS + SEAT-RB26/TS4 (no Factory)
Ex:64 @ 35.0Exh: 197 @ 11
VALVE GUIDESINTAKE: GDE-NSR6-IEXHAUST: GDE-NSR7-E
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N7-E
CAM FOLLOWERSCF-31/2.7 (OE is 3mm thick / use OE shims) or CF-31/3.28+ (+ Supertech Shims / require our Retainer RET-NRB60/TS-2 / NO OE SHIMS )
NISSAN 350Z / Titan 5.6L V8 / ARMADA VK56DE
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
VQ35 6cyl 24v37.15mm (std)5.96mm96.6mmNIVN-102530.50mm (-0.8)5.95mm95.0mm (+1)NEVI-1023F*
38.15mm (+1.0)NIVN-102831.35mm (std)94.0mmNEVN-1025 / NEVI-1025F*
NIVN-1028L (+2.5)32.35mm (+1.0)NEVN-1028 / NEVI-1028D*
33mm (+1.65)NEVI-1029F*
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/N3527.5020.0020.0015.2082 @ 35215 @ 1114.5020.7012.10RET-TS5.5/T6 + SEAT-TS1015 + Factory seat
SPR-TS1015/N35227.5020.0020.0015.2070 @ 36200 @ 1115.5020.7012.10RET-TS5.5/T8 + SEAT-TS1015 + Factory seat
SPR-TS1012/N3527.5020.0020.0015.2058 @ 36163 @ 1116.0020.009.60RET-TS5.5/T8 + SEAT-TS1015 + Factory seat
SPR-TS2081/N3527.5020.00SINGLE55 @ 35160 @ 1114.5020.709.60RET-TS5.5/T6 + Factory seat
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSCF-34/6.5+ (+ shims)
BLOCK GUARDBG-VQ35DET
NISSAN CA18 DET
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
CA18 DET34.15mm (std)5.97mm88.9NIVN-100128.15mm (std)5.95mm89.30mmNEVI-1001*
ENGINE COMPONENTS
VALVE SPRINGSOuter SpringInner SpringPressure (lbs@mm)Max Net liftCoil BindRateTitanium Retainer
Part NumberO.D. (mm)I.D. (mm)I.D. (mm)SeatOpen (lift)mmmmlbs./mmPart Number
SPR-TS2081/NCA27.5020.00SINGLE55 @ 35150 @ 1013.5020.709.60RET-NVG1015/T1 +OEM Seat+ Seat SS-3025
SPR-TS1012/NCA27.5020.0020.0015.2073 @ 35175 @ 1015.0020.0010.20RET-NVG1015/T1 +OEM Seat+inner SEAT-1015/2 (optional)
SPR-TS1015/NCA27.5020.0020.0015.2082 @ 35207 @ 1014.3020.7012.50RET-NVG1015/T1 +OEM Seat+inner SEAT-1015/2 (optional)
NISSAN TB48DE PATROL 6 Cyl
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided
TB48DE40.00mm (+1.5)6.97mm100.10mmNIVN-4070D / Flat34.80 (+1.5mm)6.95mm98.30mmNEVN-3470D / Flat
40.50mm (+2)6.97mm100.10mmNIVN-4170F Flat
NISSAN VR38DETT 3.8L V6 24v
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
Nissan GT-R 2007- '1138.15mm (+1)5.96mm95.00mmNIVN-106233.15mm (+1)5.95mm92.00mmNEVI-1062
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
SPRK-TS1012/GTR Intake27.5020.0020.0015.2060 @ 36166 @ 1016.0020.0010.50RET-TS5.5/T8 + SEAT-TS/GTR
SPRK-TS1012/GTR Exhaust80 @ 34.2185 @ 1014.50RET-TS5.5/T9 + SEAT-TS/GTR
SPRK-TS1015/GTR Intake27.5020.0020.0015.2070 @ 36190 @ 1016.0020.7012.10RET-TS5.5/T8 + SEAT-TS/GTR
SPRK-TS1015/GTR Exhaust90 @ 34.2212 @ 1014.00RET-TS5.5/T9 + SEAT-TS/GTR
VALVE SEALSINTAKE: VS-N6-IEXHAUST: VS-N6-E
CAM FOLLOWERSCF-34/6.5+ (+ shims)
LEFT COLUMN
RIGHT COLUMN