Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Upgrade your 2008 Mitsubishi Lancer Evolution GSR or MR with the HKS M-Series Spark Plugs, part number HKS50003-M45XL. Designed specifically for high-performance applications, these spark plugs ensure reliable ignition and optimal engine performance. Featuring a heat range 9, they are engineered to withstand higher combustion temperatures, promoting efficient fuel combustion and improved throttle response. The durable construction and high-quality materials used in these plugs contribute to their long lifespan and consistent performance under demanding driving conditions.
These spark plugs are suitable for enthusiasts seeking enhanced engine responsiveness and better fuel economy. Easy to install, they integrate seamlessly with your vehicle's existing ignition system, ensuring a secure fit and reliable operation. The HKS M-Series is recognized for its quality and precision, making it a trusted choice for both street and track use. Whether you're upgrading for performance or maintenance, these spark plugs help maintain peak engine efficiency while providing dependable ignition performance.
Designed with automotive-specific attributes, these spark plugs do not require CARB approval and are not restricted by air freight regulations. They are a regular stock item, ensuring quick availability for your repair or upgrade needs. Trust HKS to deliver top-tier components engineered for your Mitsubishi Lancer Evolution, helping you achieve the best possible driving experience.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
