LS Valve Springs PAC1218 Racing Valve Springs Compatible with GM LS Engine 4.8 5.3 6.0 (.600'' Lift Rated)
Direct Replacement
OEM-Quality Part
Fitment Support
Warranty Protected
Estimated Delivery: - .
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LS Valve Springs PAC1218 Racing Valve Springs Compatible with GM LS Engine 4.8 5.3 6.0 (.600'' Lift Rated)
Shipping
All orders ship directly from our U.S. warehouses for faster delivery.
✔ Orders processed within 1–2 business days
✔ Delivery typically takes 3–5 business days
✔ Free Shipping on orders over $99 within the contiguous U.S.
✔ Shipped via UPS, FedEx, USPS, or DHL
⚠️Note: Alaska, Hawaii, PO Boxes, and APO/FPO addresses are currently not supported.
Packaging
Every order is carefully packed with protective materials to help prevent damage during transit.
Returns
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✔ 90-Day Return Policy
✔ Unused items accepted in original condition
✔ Free return shipping for defective or incorrect items
✔ Fast refunds after inspection
Warranty
Selected products include up to a 2 Year Limited Warranty against manufacturing defects.
Warranty coverage varies by product. Please refer to the product description for details.
Product Description
Is your vehicle experiencing valve train problems?
Weak or worn valve springs can cause valve float, misfires, unstable valve control, and poor engine performance. These performance valve springs are designed for GM LS engine builds and camshaft upgrades requiring up to .600" valve lift.
Symptoms
- Valve float at higher RPM
- Engine misfires or rough running
- Loss of power during acceleration
- Unstable valve train operation
- Worn or weak valve springs
Key Features
- .600" Lift Rated Supports performance camshaft applications requiring increased valve lift.
- Improved Valve Control Helps maintain proper valve movement at higher RPM.
- Performance Upgrade A practical choice for LS engine rebuilds, cam swaps, and performance builds.
- Durable Construction Built for demanding engine applications and consistent performance.
Item Includes
All components shown in the product images are included
Fitment
Part interchange
These OEM reference numbers are provided for identification and fitment verification.
Not sure if this fits❓
Send us your Year, Make, Model and Engine size before ordering.
⚠️IMPORTANT
Please double-check your vehicle’s year, engine type, and part number before purchasing.
If you're unsure, feel free to contact us for assistance.
Specifications
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