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XDP HD High Boost Valve Spring Set XD388
PART#
XD388 | SKU XD388
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Description
The XDP HD High Boost Valve Spring Set XD388 is an essential upgrade to strengthen and gain control of the valvetrain on your 2003-2010 Ford 6.0L/6.4L Powerstroke. These valve springs deliver improved valve control over a factory valve spring with increased spring pressure to minimize valve float. Each spring endures a stress relief process and is computer load mapped to provide a high-quality product with long-term durability. Tested within 1 lb of seat pressure for consistency, the XD388 comes as a complete set. Valve springs only, this set re-uses your factory retainers and locks.
Features:
- Set of 32 Springs
- 100 Lb. Seat Pressure
- Performance Valve Spring Kit
- Essential For Elevated Boost Levels
Specifications:
Installed Height: 1.830”
Installed Pressure: 90lbs
100Lbs @ .800”
252Lbs @ 1.250”
Coil Bind: 1.14”
WARRANTY INFO:
2 Year / Unlimited Mileage
Shipping Restrictions Apply 
This product can not be shipped to these states/provinces: CA
This product can not be shipped to these states/provinces: CA
Specifications
- MPN XD388
- SKU XD388
- ID 102969
- Manufacturer Name XDP
- Shipping Weight 4.00 lb.
- Shipping Length 13 in.
- Shipping Width 4 in.
- Shipping Height 4 in.
- Fuel Type Diesel
- Warranty Info 2 Year / Unlimited Mileage
-
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
- Internal L0R4
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Fitment verification applies to year, make and engine only. Individual details such as model, trim packages, build dates, and other factory options can change fitment and must be verified by customer.
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