This page lists 12 ignition parts for the 1972 Morgan Plus 8, across 2 part types, covering both the 3.5L V8 and the 3.9L V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 1972 Morgan Plus 8, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 12 listed parts are Spark Plug (11 parts) and Ignition Conversion Kit (1 part).
The 1972 Morgan Plus 8 was sold with both the 3.5L V8 and the 3.9L V8. 7 parts fit every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
4 brands supply ignition parts for the 1972 Morgan Plus 8, led by CHAMPION (7 parts), ACDELCO (3 parts) and WELLS (1 part), plus 1 more brand. Quality grades include Copper / Nickel, Double Platinum and Iridium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1972 Morgan Plus 8. 3 parts have it, including ACDELCO R42XLS (Spark Plug) and CHAMPION 415 (Spark Plug). Each part number opens a page with every vehicle that part fits.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 3.5L V8 | 1A4158 | 🇺🇸 US | with Lucas Distributor # 35D812 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1972 Morgan Plus 8 — WELLS 1A4158.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.041". Replacement brands in this table include CHAMPION, ACDELCO and SKP.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.5L V8 | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular Fits: all 1972 Plus 8 engines | 415 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Popular Fits: all 1972 Plus 8 engines | 300 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Fits: 3.5L V8 | 806 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION Fits: 3.5L V8 | 929 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
| CHAMPION Fits: all 1972 Plus 8 engines | 4151 | 🇺🇸 US | Copper PlusClassification: Champion Copper Plus Small Engine | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1972 Plus 8 engines | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION Fits: all 1972 Plus 8 engines | 7415 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Fits: all 1972 Plus 8 engines | 9804 | 🇺🇸 US | IridiumPre-Set Gap: 0.03" | View on Amazon |
| SKP Fits: 3.5L V8 | SP1041 | 🇺🇸 US | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1972 Plus 8 engines | 4 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
11 Spark Plug parts are listed for the 1972 Morgan Plus 8, from CHAMPION, ACDELCO and SKP. ACDELCO R42XLS carries the "Popular" badge. 7 parts fit every engine; the other 4 are engine-specific.
In the Copper / Nickel grade, CHAMPION and ACDELCO supply 6 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R42XLS.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 parts: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 41804.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 2 options from CHAMPION and SKP — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 9804 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, ACDELCO supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 4.
Buying Ignition Parts for a 1972 Morgan Plus 8
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Some ignition parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug and Ignition Conversion Kit .
Frequently Asked Questions
How many ignition parts fit the 1972 Morgan Plus 8?
Our catalog currently lists 12 ignition parts for the 1972 Morgan Plus 8 across 2 subcategories and 4 brands, covering both the 3.5L V8 and the 3.9L V8. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1972 Morgan Plus 8 engines?
Some do. 7 parts fit every engine; the other 5 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 1972 Morgan Plus 8?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1972 Morgan Plus 8?
Notes on this page include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.041". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1972 Morgan Plus 8 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1972 Morgan Plus 8?
First match the engine — each row shows which engine(s) the part fits. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1972 Morgan Plus 8
Ignition Parts for Other Morgan Plus 8 Years
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