Your trusted source of JDM parts shipped direct from Japan

Your trusted source of JDM parts shipped from Japan

JDM parts shipped direct from Japan

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NAPREC Big Bore Throttle Body

The NAPREC Big Bore Throttle Body

The NAPREC Big Bore Throttle Body are designed, and machined to increase high rpm power and throttle response.

Features

Available Big Bore Processing for many engines (including):

  • 2JZ, 1JZ, 4A, 3S, 2ZZ,
  • RB, SR, VG, VQ, VH
  • B16, B18, K20/24, F, H, C
  • 4G63,
  • EJ20, EJ25
  • 13B-T, 13B-REW
  • M16A....

Sample RB26 Specs:

  • Larger Diameter valves:
  • OEM: 45mm
  • NAPREC:  49mm

Notes

  • The NAPREC Big Bore Throttle Body is an upgraded part, and requires an OEM part to be sent into our office.  You can send your factory Throttle Body into our office or have a brand New OEM Throttle Body provided.
  • If you do not see your part or your engine listed, please make an enquiry.  We are happy to answer.

Vehicle Product Diameter Butterfly   Price Order
Pulsar - N15
SR20DET
for GReddy Plenum
SR20DET
80mm
USD $ 659.03
USD $ 674.20
Skyline GT-R - BCNR33
Expanded Bore Throttle Body
RB26 Big Throttle 49mm
49mm (Genuine: 45mm)
USD $ 950.89
USD $ 972.78
Skyline GT-R - BCNR33
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
Skyline GT-R - BNR32
Expanded Bore Throttle Body
RB26 Big Throttle 49mm
49mm (Genuine: 45mm)
USD $ 950.89
USD $ 972.78
Skyline GT-R - BNR32
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
Skyline GT-R - BNR34
Expanded Bore Throttle Body
RB26 Big Throttle 49mm
49mm (Genuine: 45mm)
USD $ 950.89
USD $ 972.78
Skyline GT-R - BNR34
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
RB26DETT
100mm throttle valve - fitting flange as the Q45 90mm throttle valve - Fits Top Secrete Surge Tank
Drag 100
90mm 100mm
USD $ 828.50
USD $ 847.57
Product   Order
Pulsar - N15
SR20DET
for GReddy Plenum
Diameter: 80mm
SR20DET
USD $ 659.03
USD $ 674.20
Skyline GT-R - BCNR33
Expanded Bore Throttle Body
Diameter: 49mm (Genuine: 45mm)
RB26 Big Throttle 49mm
USD $ 950.89
USD $ 972.78
Skyline GT-R - BCNR33
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
Skyline GT-R - BNR32
Expanded Bore Throttle Body
Diameter: 49mm (Genuine: 45mm)
RB26 Big Throttle 49mm
USD $ 950.89
USD $ 972.78
Skyline GT-R - BNR32
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
Skyline GT-R - BNR34
Expanded Bore Throttle Body
Diameter: 49mm (Genuine: 45mm)
RB26 Big Throttle 49mm
USD $ 950.89
USD $ 972.78
Skyline GT-R - BNR34
Expanded Bore Throttle Body - Gaskets, 50mm (x6)
RB26 Throttle Body Gaskets
USD $ 33.92
USD $ 34.67
RB26DETT
100mm throttle valve - fitting flange as the Q45 90mm throttle valve - Fits Top Secrete Surge Tank
Diameter: 90mm
Butterfly: 100mm
Drag 100
USD $ 828.50
USD $ 847.57
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About Nengun Performance

Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.

Nengun Performance, shipping JDM direct from Japan