KARCEPTS 70MM RBC ADAPTER
The Karcepts 70mm Throttle Body To RBC/RRB/RBB Intake Manifold Adapter provides the SOLUTION for directly bolting up any K-Series 70mm cable actuated throttle body to an Accord Euro R, 2006-2009 Civic Si, or 2004-2005 TSX intake manifold.
It is recommended to port match the intake manifold in order to realize the benefits of the 70mm bore.
Ease of fitment has been confirmed for the following vehicle/engine/mount combinations:
- 1992-1995 Honda Civics equipped with a K20 engine and Hasport EGK1 engine mounts
- 1996-2000 Honda Civics equipped with a K20/K24 engine and Hasport EKK2 engine mounts
- 1994-2001 Acura Integras equipped with a K20 engine and Hasport EGK1 engine mounts
- 2002-2006 Acura RSX-S/Honda ITRs with a K20 engine and all available engine mounts
Other chassis, mounts, and engine combinations can still utilize the RBC intake manifold; however, clearances between the radiator support, radiator, and hood may need to be addressed. For example, a 2002-2005 Honda Civic Si/CTR just needs some minor trimming of the upper radiator support in order to fit an RBC manifold into its chassis.
All mounting hardware is provided for attaching the adapter to the intake manifold and the throttle body to the adapter. Two rubber plugs are additionally included in order to plug the unused MAP sensor port located on the RBC/RRB/RBB intake manifold as well as the ability to plug the EVAP Purge Control Valve port if desiring to do so in order to gain additional hood clearances.
Use Karcepts Part #: KIM03 for standard 70mm throttle body installation.
Use Karcepts Part #: KIM04 for 70mm throttle body applications requiring vacuum/boost ports. To eliminate the need for vacuum T-offs or an auxiliary vacuum spacer this adapter includes two 1/8" NPT side ports. 1/8" NPT plugs are included for those who may not have an immediate need for the ports but desire a vacuum/boost port option in the future. Customers have utilized these ports to "tuck" their bulky brake booster hose, to power accessories on their boosted setups, and can even be used for nitrous applications.
Installation may be carried out in similar fashion as our standard Karcepts RBC Adapter (P/N: KIM01) as shown here: KIM01 Installation Instructions
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