aFe Silver Bullet Throttle Body Spacer Kit, Part Number 46-36008, for Nissan 350Z and Infiniti G35 3.5L V6

One of the easiest additions to improve low end horsepower and torque to your VQ35 is the Silver Bullet Throttle Body Spacer. The TBS has both a Serrated and Helix combination design, which creates air turbulence in the intake manifold, increasing the air pressure in the combustion chamber. This design also reduces intake whistle that occurs with other helix-only designs. Serrated/Helix Design: The Serrated/Helix design creates air turbulence in the intake manifold, increasing the air pressure in the combustion chamber resulting in increased horsepower, torque and improved throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with other helix only designs. (US PAT 07055513). 6061-T6 Billet Aluminum Construction: All Silver Bullet Throttle Body Spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength and perfect fit and finish. Installation Is A Snap: This Silver Bullet throttle body spacer uses all factory mounting locations, and supplied gaskets provide perfect seal and a hassle-free installation. Silver Bullet Throttle Body Spacer Kit Nissan 350Z 03-06/Alitima 03-05/Infiniti G35 03-07 V6-3.5L (VQ35DE)

• Precision Machined from 6061-T6 Billet Alum. for Perfect Fitment
• Incl. All Gaskets and Hardware Needed
• Works With aFe / Takeda Intake System
• Easy 15 Minute Installation

The aFe Silver Bullet Throttle Body Spacer, Part Number 46-36008, is designed to improve low-end horsepower, torque, and throttle response on select Nissan 350Z and Infiniti G35 models equipped with the 3.5L V6 VQ35DE engine. Its patented serrated-and-helix design creates controlled air turbulence within the intake manifold, helping increase air pressure in the combustion chamber. Compared with helix-only designs, the combination profile also helps reduce intake whistle.

Precision machined from 6061-T6 billet aluminum, this aFe throttle body spacer provides high strength, low weight, and a precise fit. The kit uses factory mounting locations and includes the gaskets and hardware required for installation, making it a practical upgrade for street-driven vehicles and compatible with aFe and Takeda intake systems. Installation can typically be completed in approximately 15 minutes using standard hand tools.

Key Product Specifications & Technical Data

• Brand: aFe
• Part Number: 46-36008
• Product Type: Throttle body spacer kit
• Application: Automotive performance intake component
• Engine Compatibility: 3.5L V6 VQ35DE
• Construction: 6061-T6 billet aluminum
• Design: Serrated-and-helix airflow profile
• Compliance: EPA compliant; CARB Executive Order D-550-40

What's Included in the Box

• aFe Silver Bullet throttle body spacer
• Required installation gaskets
• Required mounting hardware

Fitment includes select 2003–2006 Nissan 350Z and 2003–2007 Infiniti G35 models equipped with the VQ35DE 3.5L V6 engine. Verify the vehicle application, engine configuration, and intake setup before ordering. The spacer is designed to work with aFe and Takeda intake systems. California emissions compliance should be confirmed against the vehicle and applicable regulations before installation.

Features:

• Serrated-and-helix design creates intake air turbulence to support improved low-end horsepower, torque, and throttle response while helping reduce intake whistle.
• 6061-T6 billet aluminum construction provides high strength, lightweight performance, and precise fitment.
• Factory mounting locations and included gaskets support a straightforward installation without custom fabrication.
• Compatible with aFe and Takeda intake systems and supplied with the hardware needed for installation.

Fitments:
2002 Nissan Altima SE
2003 Infiniti G35 Base
2003 Nissan 350Z Base
2003 Nissan 350Z Enthusiast
2003 Nissan 350Z Performance
2003 Nissan 350Z Touring
2003 Nissan 350Z Track
2003 Nissan Altima SE
2003 Nissan Murano SE
2003 Nissan Murano SL
2004 Infiniti G35 Base
2004 Infiniti G35 X
2004 Nissan 350Z Base
2004 Nissan 350Z Enthusiast
2004 Nissan 350Z Performance
2004 Nissan 350Z Touring
2004 Nissan 350Z Track
2004 Nissan Altima SE
2004 Nissan Murano SE
2004 Nissan Murano SL
2005 Infiniti G35 Base
2005 Infiniti G35 X
2005 Nissan 350Z 35th Anniversary Edition
2005 Nissan 350Z Base
2005 Nissan 350Z Enthusiast
2005 Nissan 350Z Grand Touring
2005 Nissan 350Z Performance
2005 Nissan 350Z Touring
2005 Nissan 350Z Track
2005 Nissan Altima SE
2005 Nissan Altima SE-R
2005 Nissan Altima SL
2005 Nissan Murano S
2005 Nissan Murano SE
2005 Nissan Murano SL
2006 Infiniti G35 Base
2006 Infiniti G35 X
2006 Nissan 350Z Base
2006 Nissan 350Z Enthusiast
2006 Nissan 350Z Grand Touring
2006 Nissan 350Z Touring
2006 Nissan 350Z Track
2006 Nissan Murano S
2006 Nissan Murano SE
2006 Nissan Murano SL
2007 Infiniti G35 Base
2007 Infiniti G35 Journey
2007 Infiniti G35 Sport
2007 Infiniti G35 X

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-550-40
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1