Ignitions and Electrical› Ignition Boxes and Components

S&S Cycle

HI-4N Ignition Module

$591.26

SKU: 2101-0345

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The S&S Cycle HI-4N Ignition Module is a single-fire and dual-fire ignition system built into one unit for Harley Davidson motorcycles. It features an all-metal housing for improved heat dissipation, with ignition advance and timing degree markings on the metal flange. The electronics are fully enclosed to resist vibration, moisture, and dirt.
Show original supplier description
The S&S Cycle HI-4N Ignition Module is designed for Harley Davidson motorcycles, offering both single-fire and dual-fire functionality in a single, integrated unit. It includes four rotary switches that allow for precise selection of ignition mode, advance rate, and rev limit, providing tunability for performance. This ignition module is proudly Made in the U.S.A. Please note that this ignition module is not compatible with fuel-injected models.

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

BrandS&S Cycle
Part Number2101-0345
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
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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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