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Why This Tire?
Specifications
| Brand | Moroso |
|---|---|
| Category | Engine |
| Manufacturer Part # | 71910 |
| UPC | 084663719103 |
| Subcategory | Spark Plug Index Washers |
|---|---|
| Category Group | Engine Fastener Kits |
| Ai Subcategory | Ignition System |
| Weight | 0.1 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Moroso Spark Plug Index Washers are specifically for 14mm flat seat spark plugs, available in 0.040 inch, 0.050 inch, and 0.064 inch thicknesses. This set of 30 washers enables careful indexing of spark plugs, which can improve flame propagation and overall engine efficiency. Indexing ensures the spark plug's ground electrode does not obstruct the spark, leading to a more complete burn.
Shipping & Returns
Fast Shipping
Standard delivery in 3-7 business days. Expedited options available.
30-Day Returns
Return unused items in original packaging for a full refund.
Questions & Answers
Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.
We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.
We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.
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