1963-1970 Corvette E3 DiamondFire Spark Plug - 5/8in - 14mm Thread

$19.99
$19.99
Shipping calculated at checkout.

Upgrade your early Corvette's ignition system with this E3 DiamondFire Technology Spark Plug from Auto Accessories of America. Engineered to Meet or Exceed OEM Specifications, the DiamondFire electrode design improves combustion efficiency.

  • Engineered to Meet or Exceed OEM Specifications
  • Brand: E3 DiamondFire
  • Thread: 14mm
  • Thread Reach: 5/8 inch

Fits 1963-1967 C2 and 1968-1970 C3 Corvette models.

Frequently Asked Questions

Q: Is my personal information kept private? Is it safe to use my credit card?

A: Yes, your personal information is kept private and it is safe to use your credit card.

Q: How much will shipping cost?

A: Unfortunately, the cost of shipping is a real expense. Our goal is to minimize your shipping costs. Shipping is calculated at checkout based on the items in your cart and will be displayed prior to you placing an order. Please note that oversized items may be subject to additional charges, which will be noted on the product page.

Q: How do I track my order?

A: Once your order ships, you will receive a tracking notification via email.  You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.  

Q: Can someone outside of the United States place an order?

A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.