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Why This Tire?
Specifications
| Brand | Moroso |
|---|---|
| Category | Engine |
| Manufacturer Part # | 71900 |
| UPC | 084663719004 |
| 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 designed for 14mm tapered seat spark plugs, offered in thicknesses of 0.010 inch, 0.021 inch, and 0.032 inch. This set of 30 washers allows for precise indexing of spark plugs, optimizing combustion by positioning the electrode towards the center of the cylinder. Proper spark plug indexing can contribute to more consistent engine performance and efficiency.
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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