Empty

NAPREC Big Bore Throttle Body
NAPREC

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

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

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

Note:

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.

Please Note:

If you do not see your part or your engine listed, please make an enquiry.  We are happy to answer.

Product Version Vehicle Compatibility Price Order
Drag 100
100mm throttle valve - fitting flange as the Q45 90mm throttle valve - Fits Top Secrete Serge Tank
RB26DETT
USD $ 767.62
USD $ 957.70
Vehicle Compatibility
RB26DETT
RB26 Big Throttle 49mm
Nissan - RB26DETT - Expanded Bore Throttle Body - 49mm (Genuine: 45mm)
RB26DETT
USD $ 937.38
USD $ 967.28
Vehicle Compatibility
RB26DETT
RB26 Throttle Body Gaskets
Nissan - RB26DETT - Expanded Bore Throttle Body - Gaskets, 50mm dia. - x6
RB26DETT
USD $ 38.04
Vehicle Compatibility
RB26DETT
SR20DET
Nissan SR20DET N15 type for my greddy plenum 80mm
SR20DET
USD $ 581.70
USD $ 670.39
Vehicle Compatibility
SR20DET
Best Price Guarantee
If you're able to find a better price we'll beat it, all fees included.
Nengun Performance
NENGUN CO. LTD
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.
901080810037