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Air and Fuel› Intake Manifolds and Components

Nick Williams Performance

103mm Drive-by-Wire Throttle Body

$786.49 $714.99 Save $71.50

SKU: SD103LTXB

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Nick Williams Performance SD103LTXB is a 103mm drive-by-wire throttle body designed for LTX performance engines. It is CNC precision-machined from billet aluminum to facilitate increased airflow. This throttle body features a 6-pin late model connector compatible with late model wiring harnesses and comes fully assembled.
Show original supplier description
The Nick Williams Performance SD103LTXB is a 103mm drive-by-wire throttle body engineered to meet the airflow demands of high-performance LTX engines. This unit features a 6-pin late model connector, ensuring compatibility with contemporary wiring harnesses. It arrives completely assembled and includes the necessary bolts for installation. To accommodate its larger throttle blade, an aftermarket intake system is required. Installation of this throttle body necessitates tuning. Additionally, please be aware that this product may be subject to California Proposition 65 warnings.

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

BrandNick Williams Performance
Part NumberSD103LTXB
CategoryAir and Fuel
5,000+ Trusted brands
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(760) 282-4645 hello@motormia.co

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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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Shipping

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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