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Exterior Components› Body Panels and Components
Moroso
Moroso Universal Mag Tune 90 Degree Ignition Wire Set - Black
SKU: M00R 9880M
Moderate — 2–4 hours
Overview
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Part #: 9880M
Spark Plug Wire Set - Mag-Tune - Spiral Core - 8.0 mm - Black - 90 Degree Plug Boots - HEI / Socket Style - Universal 8-Cylinder - Kit
Vehicle Symptoms
- engine misfires under acceleration
- rough idle at stoplights
- intermittent loss of power under load
- flashing check engine light during hard acceleration
- decreased fuel economy after tune-up
Diagnostic Codes
- P0300 – random or multiple cylinder misfire
- P0301 – cylinder 1 misfire
- P0302 – cylinder 2 misfire
- P0303 – cylinder 3 misfire
- P0304 – cylinder 4 misfire
- P0305 – cylinder 5 misfire
- P0306 – cylinder 6 misfire
- P0307 – cylinder 7 misfire
- P0308 – cylinder 8 misfire
Relevant Conversations
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- rough idle and hesitation at highway speed no check engine light
- P0303 cylinder 3 misfire persists after new plugs and coil
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- Moroso Mag-Tune wire set 9880M fit BBC or SBC?
- spark plug wire crossfire routing tips for V8
- buy Moroso 9880M wires with new distributor cap and rotor
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 | Moroso |
| Part Number | M00R 9880M |
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.
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