









⚡ Ignite your ride with precision and power — don’t get left in the dust!
A-Premium Iridium Platinum Spark Plugs combine iridium tips and platinum cores to deliver superior ignition performance and longevity. Designed for a wide range of Polaris, Ducati, Kawasaki, Suzuki, Yamaha, and other high-performance vehicles, these plugs feature precision M10 x 1.0 mm threading and multiple gap sizes for optimal fit and efficiency. Engineered to last 80,000 to 100,000 miles, they ensure your engine runs smoother, stronger, and longer.







| Brand | A-Premium |
| Core Material | Platinum |
| Thread Size | M10 x 1.0 mm |
| Top Material Type | Iridium |
| Vehicle Service Type | Car |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 3521, CR9EIX |
| Manufacturer | PremiumpartsWhosale |
| Item Weight | 5 ounces |
| Package Dimensions | 4.13 x 3.98 x 0.91 inches |
| Manufacturer Part Number | APSP231 |
W**L
Good buy
Good replacement plugs
L**M
There spark plugs what more do you want
Did the job
H**E
So far so good
I normally run ngk plugs in my motorcycle but decided to try these so far so good
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منذ 3 أسابيع
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