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Hamilton Cams Valve Spring Set for 1998-2018 5.9L 6.7L Cummins 24V

Hamilton Cams Valve Spring Set for 1998-2018 5.9L 6.7L Cummins 24V

SKU: Hamilton Cams Valve Spring Set 98-18 5.9L 6.7L Cummins   ITEM NO: 170097

Price: $299.00$499.00

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Description

Hamilton Cams Valve Spring Set

Fitment

1998-2018 5.9L 6.7L Cummins 24V

Standard

Increase performance in the valvetrain of your 1998.5-2018 Dodge 5.9L / 6.7L Cummins with the Hamilton Cams 07-S-003 Valve Springs. Stock springs have 78-82lbs of pressure seat pressure on average at 1.380″. If you are over 50psi (boost or drive pressure) and 3,800 rpm, stock springs do not fully control the valvetrain. This allows a few negative things to happen. First, valve float, which can cause serious damage to the valvetrain. Second, intake and exhaust valves can be blown open by boost and exhaust drive pressure which allows reversion. Reversion can hurt your power potential by allowing exhaust gasses to enter the cylinder on the intake stroke. Inert gasses in the exhaust, when reintroduced into the cylinder shield the fuel particles from oxygen in the cylinder.

This does a few things that negatively affect power. It increases the time delay from the start of injection to the start of combustion, it decreases the maximum pressure and maximum temperature reached in the cylinder and it increases the total time needed to completely burn the available fuel. Correct valve spring pressure is a very important piece of power production. If you are running a tuner on an otherwise stock truck with a VGT charger, based on exhaust drive pressure, you need these.

Hamilton Cams suggests these springs if you are over 50lbs. of boost(or drive pressure) or over 3800 rpm or when running aftermarket camshafts. Hamilton has slightly lowered the pressure on these springs from 110# to 103#. If you are running over 4,500 rpm with a large cam, they suggest going with 103# springs with different processing for better longevity in extreme applications as well as their lightweight 4130 or titanium retainers. Retainers are not included.

Features:

  • 103# Spring
  • Complete Set
  • Works For Over 50lbs Of Boost

Competition

Correct valve spring pressure is very important to power production in your 24V Cummins. The Hamilton Cams 07-S-110 Competition Valve Springs allow higher boost pressures and rpm without valve float or unacceptable levels of reversion.

Features:

  • 24 Valve Competition Springs
  • Good to 6,500 RPM
  • For Competition Use

Additional information

Brand

Manufacturer Part Number

,

Warranty

1 Year

Use Type

Standard, Competition

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