Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Air and Fuel› Intake Manifolds and Components
Motordyne
5/16" Plenum Intake Spacer
SKU: MD-516BZ
Moderate — 2–4 hours
Overview
Show original supplier description
Vehicle Symptoms
- Lack of top-end power on highway
- Throttle response feels sluggish
- Wants more horsepower from NA engine
- Engine feels restricted at higher RPM
- Looking for bolt-on performance upgrade
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Motordyne |
| Part Number | MD-516BZ |
| Category | Air and Fuel |
Videos
Motordyne Engineering 350Z and G35 Plenum Spacer Installation
Nissan 350Z/ G35 Plenum Spacer, Motordyne MREV 2 and Throttle Body Spacer Installation | AnthonyJ350
Motordyne Mrev 2 lower plenum and 5/16 spacer 350z install!
Motordyne MREV 2 & 5/16 Plenum Spacer Review (Nissan 350Z) | AnthonyJ350
Plenum Spacer Z1 Motorsports vs Motordyne (Nissan 350Z & Infiniti G35) | AnthonyJ350
Motordyne Plenum Spacer and MREV 2 Install - Infiniti G35
Nissan 350z: MotorDyne Basic 5/16 Plenum Spacer
Motordyne Plenum spacer Does it really add power ?
Motordyne Plenum Spacer & Copper Iso Thermal Upgrade vs Kinetix V+ Plenum Temperature Test
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
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