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USD 448.95
Part #: XD313

XDP 24V Performance Valve Springs & Retainer Kit XD313

1998.5-2018 Dodge 5.9L/6.7L Cummins
Part #: XD313
$ $448.95
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Description

Control the valvetrain in your 1998.5-2018 Dodge 5.9L & 6.7L Cummins with the XDP 24V Performance Valve Springs & Retainer Kit XD313. Valve springs are an essential upgrade that are often overlooked in many performance builds. The factory valve springs in your engine are not intended to handle the increased engine RPM and elevated boost levels that are typical in modified applications. Even common upgrades like an aftermarket turbocharger and performance tuning can cause valve float that may result in serious engine damage. In addition, your valves can be blown open by boost and drive pressure causing reversion. Reversion is when exhaust gasses flow backwards and enter the cylinder on the intake stroke, hurting your engine performance. This is why upgraded valve springs are a must-have on modified engines! 

The XDP XD313 Valve Springs feature a conical design that provides more valve control than a standard straight spring. The conical shape allows for a smaller and lighter spring retainer that is also stronger due to size reduction. Unlike other valve springs on the market, the XD313 Valve Spring Kit can be used on a wide range of trucks, from stock all the way up to competition builds making 2,000 HP. This makes them a perfect choice for a "one-and-done" upgrade that lets you modify your engine to support more power down the road. Each spring is computer load mapped and then matched within 1 lb of seat pressure followed by a stress relief process to ensure quality and long-term reliability. Each set comes complete with springs, locks, retainers, and is backed by XDP's 1 year unlimited mileage warranty.

Features: 
  • Conical Spring Design 
  • Performance Valve Spring Kit
  • Supports Up To 2,000 Horsepower 
  • Essential For Elevated Boost Levels 
  • Complete Set (Springs, Locks & Retainers)

Warranty Info:
Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.

Specifications

  • MFG. Number XD313
  • Manufacturer Name XDP
  • Shipping Weight 5.00 lb.
  • Shipping Length 7.5 in.
  • Shipping Width 8.5 in.
  • Shipping Height 3 in.
  • Warranty Yes
  • Warranty Info 1 Year / Unlimited Mileage
  • Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

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Questions and Answers

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Most Popular Questions

What pressure are the XD313 valve springs. Hamilton springs are 103# and was wondering how these compare. Can the stock rocker arms support the XD313.
View Staff Answer 
Answer
The XD313 features 100 lbs of seat pressure and are certainly comparable to the Hamilton springs. The factory rocker arms will work fine with these springs.