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Why This Tire?
Specifications
| Brand | Transmission Specialties |
|---|---|
| Category | Engine |
| Manufacturer Part # | 4L80SH |
| UPC | 193564454850 |
| Load Index | 300 |
| Speed Rating | M |
|---|---|
| Subcategory | Automatic Transmission Shafts |
| Category Group | Automatic Transmissions and Components |
| Ai Subcategory | Transmission Components |
| Weight | 3.0 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Transmission Specialties 300M Input Shaft for GM 4L80 Transmissions is a high-strength upgrade designed to withstand extreme torque and horsepower. Made from 300M alloy steel, this input shaft offers significantly increased tensile strength and fatigue resistance compared to OEM shafts, making it essential for performance and heavy-duty 4L80E builds. The 4L80E transmission is a popular choice for trucks, SUVs, and high-performance builds due to its robust design. Transmission Specialties is a trusted name for performance transmission components.
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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