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459.95
Part #: XD384
XDP HD Billet Rocker Arm Valve Bridge Set XD384
★★★★★
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Description
The XDP HD Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2023 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax engine can quickly produce more stress and load than the factory rocker arm bridges were made to handle. The XDP rocker arm bridges are CNC-machined out of hardened 4140 chromoly for extreme strength. Each set is then Nitride coated to minimize friction and provide added protection. Sold as a set.
Features:
- Nitride Coating
- Sold As Complete Set
- Billet 4140 Chromoly Construction
Application Note:
Designed for stock rocker arms only.
Will not work with aftermarket rocker arms.
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 XD384
- SKU XD384
- ID 102965
- Manufacturer Name XDP
- Shipping Weight 2.00 lb.
- Shipping Length 5 in.
- Shipping Width 5 in.
- Shipping Height 3 in.
- Fuel Type Diesel
- Warranty Info 2 Year / Unlimited Mileage
-
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
- Cross Reference # 12638258
- Internal L0R0
Frequently Bought Together
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XDP HD Rocker Arm Shafts XD385
$484.95
Vehicle Fitment:
2001-2023 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P
2001-2023 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P
In-Stock
XDP Street Performance Pushrods (3/8") XD315
$349.95
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
In-Stock
XDP Competition & Race Performance Pushrods (7/16") XD316
$378.95
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
In-Stock
XDP Performance Valve Springs & Retainer Set XD386
$649.95
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
Reviews
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★★★★★
5.0/5 Stars out of 1 Reviews
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DURAMAXTERS OF S FLORIDA (JENSEN BEACH, FL) | August 15th, 2023
Installed on a 250,000 + mile LB7 pushing the limits on a stock bottom end (roughly 750 - 800 crank/horses). Installed PPE cast iron heads part# 110100101, XDP Billet Rocker Arm Valve Bridge Set XD384, and XDP 7/16 Competition and Race Performance Pushrods #XD316. All of these parts are held by ARP Fasteners. The combo resulted in a very stable and vibration free upper end, and in more responsive top end acceleration.
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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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