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Supertech Racing Valves and Pistons

Supertech High Performance Valves: BMW

BMW S14 16v / S38 24v
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
E30 M3 87-9137.00mm (std)6.98mm123. 00mmBMIVN-1006/L32.00mm (std)6.95mm125.00mmBMEVI-1006/L
38mm (+1.0)121.40 mm (std)BMIVN-100832.50mm (+0.5)123.70 mm (std)BMEVN-1009
38.50mm (+1.5mm)BMIVN-1009126.10 mmBMEVN-1009/LONG
123.80 mmBMIVN-1009/LONG
39.00mm (+2.0)121.40 mm (std)BMIVN-101033.00 mm (+1.0)126.10 mmBMEVN-1010/LONG
123.80 mmBMIVN-1010/LONG123.70 mm (std)BMEVN-1010 / BMEVI-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-H1000D/S1429.6521.8520.5015.5078 @ 35.5204 @ 1114.5020.7011.50RET-BMS14/T1 + SEAT-H1002D
SPR-H1005D/S1429.6521.8520.5015.5092 @ 35.5220 @ 1114.8020.7011.50RET-BMS14/T1 + SEAT-H1002D
SPR-H1022D/S1429.0021.8021.0015.50110 @ 37.6231 @ 1116.6021.0011.20RET-H70/T1 + SEAT-H1002D
CAM FOLLOWERSCF-37.5/3.1+ (+Shims) TO BE USED WITH LONG VALVES (No Lash Caps are necessary)
CAM FOLLOWERSCF-37.5/5.65+ (+Shims) TO BE USED WITH SHORT VALVES
CAM FOLLOWERSCF-37.5/4.5 TO BE USED WITH LONG VALVES + 7mm LASH CAPS
BMW M20 B25 2.5L 12v
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
E30/E34 325/525 '77-'9243mm (+1)6.97mm102.50mmBMIVN-108537mm (+1)6.95mm102.50mmBMEVI-1085
BMW S42 / M42 / M50 / S50 / S52 / M52 / M54
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
1.8 /2.5L (16V) /2.8-3.0L (24v)33.00mm (std)5.97mm106.10mmBMIVN-103030.50mm (std)5.96mm105.65BMEVN-1030 / BMEVI-1030S
34.00mm (+1.0)5.97mm106.10mmBMIVN-1031S31.50mm (+1.0)5.96mm105.65BMEVN-1031S / BMEVI-1031S
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-H100DR/BM30.2022.2022.2016.8067 @ 35.70220 @ 1217.2018.5012.90RET-K20A2/T2 + SEAT-BM50 (x24)
SPR-H1000D/BM29.6521.8520.5015.5084 @ 35.70222 @ 1214.5020.7011.50RET-K20A2/T2 + SEAT-BM50 (x24)
SPR-H1005D/BM29.6521.8520.5015.5098 @ 35.70236 @ 1215.0020.7011.50RET-K20A2/T2 + SEAT-BM50 (x24)
CAM FOLLOWERSCF-33/14
VALVE SEALSINTAKE: VS-VBM6-IEXHAUST: VS-VBM6-E
BMW S50 B30 EURO VERSION
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
E36 M3 3.0L34.00mm (std)6.97mm121.00mmBMIVN-103630.60mm (std)6.96mm119.75BMEVI-1036
BMW S50 B32 EURO VERSION
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
E36 M3 3.2L35.00mm (std)5.97mm119.75mmBMIVN-103730.60mm (std)5.96mm121.3mmBMEVN-1037
35.65mm (+.65)5.97mm121.30mm (overzise)BMIVN-1033SL31mm (+0.40)5.96mm122.8mm (overzise)BMEVN-1030PSL
BMW S54 24v 3.2L
INTAKE VALVEPart NumberEXHAUST VALVEPart Number
Head DiamStem. DiamLengthBlack NitridedHead DiamStem. DiamLengthBlack Nitrided / Inconel
M3 / 2002 +35.00mm (std)5.97mm117.50mmBMIVN-1040 or BMIVN-1040S30.50mm (std)5.95mm119.10mmBMEVN-1040 or BMEVI-1040S
36.00mm (+1.0)5.97mm117.50mmBMIVN-1045S31.50mm (+1.0)5.95mm119.10mmBMEVI-1045S
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-2521/BM26.4019.3019.3014.5082 @ 41.00186 @ 1015.5025.5010.00RET-BM2521/T1 + SEAT-BMS54
VALVE SEALSINTAKE: VS-BM6-IEXHAUST: VS-BM6-E
LEFT COLUMN
RIGHT COLUMN