# SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) vs HIKARI Ultra LED Headlight Conversion Kit: specs and price compared

A sourced, side-by-side comparison of the SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) (SEALIGHT) and HIKARI Ultra LED Headlight Conversion Kit (HIKARI) among led headlight bulbs.

## Side by side

| Spec | SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) | HIKARI Ultra LED Headlight Conversion Kit |
| --- | --- | --- |
| US price | $39.99 | not published |
| Brand | SEALIGHT | HIKARI |
| Lumens per set | 20000 | 5470 |
| Color temp k | 6000 | 6450 |
| Bulb fitment | H11/H9/H8 (also sold as 9005/HB3, 9005+H11, and 9006/HB4 combos) | Sold in multiple common sizes incl. H11/H8/H9; the specific size independently bench-tested is not stated |
| Wattage (W) | 60 (per set, 30/bulb) | 23.1 (per bulb, independently measured) |
| LED chip type | — | Philips Lumileds Luxeon Z ES (6 per bulb, 3 per side) |
| Beam pattern | — | 5-star low-beam pattern rating (BulbFacts independent test) |
| Cooling | Fanless — 0.5 in. aviation-aluminum heatsink | Fan-cooled, 32mm heatsink, external removable driver |
| Rated lifespan hrs | 50000 | 60000 |

## Key differences

- Lumens per set: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 20000 vs HIKARI Ultra LED Headlight Conversion Kit 5470
- Color temp k: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 6000 vs HIKARI Ultra LED Headlight Conversion Kit 6450
- Bulb fitment: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) H11/H9/H8 (also sold as 9005/HB3, 9005+H11, and 9006/HB4 combos) vs HIKARI Ultra LED Headlight Conversion Kit Sold in multiple common sizes incl. H11/H8/H9; the specific size independently bench-tested is not stated
- Wattage (W): SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 60 (per set, 30/bulb) vs HIKARI Ultra LED Headlight Conversion Kit 23.1 (per bulb, independently measured)
- Cooling: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) Fanless — 0.5 in. aviation-aluminum heatsink vs HIKARI Ultra LED Headlight Conversion Kit Fan-cooled, 32mm heatsink, external removable driver
- Rated lifespan hrs: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 50000 vs HIKARI Ultra LED Headlight Conversion Kit 60000

## Sources

- SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack): https://sealight-led.com/product/sealight-s1-h11-h8-h9-white-led-headlight-bulbs-2pcs (sealight-led.com, verified 2026-08-12)
- HIKARI Ultra LED Headlight Conversion Kit: https://bulbfacts.com/led-kits/reviews/hikari-ultra-led-kit-review.html (bulbfacts.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/led-headlight-bulbs/sealight-scoparc-s1-vs-hikari-ultra/
Cite: Per The Front Desk Review, SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) ($39.99) vs HIKARI Ultra LED Headlight Conversion Kit (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/led-headlight-bulbs/sealight-scoparc-s1-vs-hikari-ultra/
License: CC BY 4.0.