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Why This Tire?
Specifications
| Brand | Msd Co. |
|---|---|
| Category | Engine |
| Manufacturer Part # | 8428 |
| UPC | 085132084289 |
|---|---|
| Subcategory | Ignition |
| Weight | 0.2 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The MSD GM HEI Advance Curve Kit includes a selection of weights and springs to allow for custom tuning of the mechanical advance curve in GM HEI distributors. Adjusting the advance curve can significantly impact engine performance, fuel economy, and throttle response. MSD is a trusted brand for ignition components, offering parts that enable precise control over your engine's timing. This kit provides the flexibility to tailor your ignition timing to specific engine modifications or driving conditions.
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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