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Cummins Valve Springs

Match the springs to your engine, cam lift, valve size and intended RPM. Our 12-valve and 24-valve options serve different applications; check what is included and the installation requirements before ordering.

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Cummins 24 valve Springs
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103# 24v springs

$349.00

Our 103 lb springs are the 24-valve option listed for builds up to 4,500 RPM. Tool steel retainers are sold separately. For higher-RPM competition use, review the 110 lb springs and their camshaft and tappet requirements.

Cummins 24 Valve Spring Compressor tool
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24 Valve Spring Compressor Tool

$99.00
In-Engine Valve Spring Compressor – Swap Springs Effortlessly Save time and hassle by changing your valve springs without removing the cylinder head. This In-Engine Valve...
Cummins 12 Valve Springs and retainers
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Performance Cummins 12 Valve springs

$389.00

These 155 lb conical beehive springs include retainers and locks for 12-valve Cummins builds with moderate cams and stock-size valves. Review the installed-height specifications; larger valves, more lift or operation above 4,500 RPM may call for the dual spring kit.

Cummins High Boost 110 Valve Springs
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110 Valve Spring set for 24 valves

$549.00

Our 110 lb seat-pressure springs are for 24-valve Cummins competition builds running above 4,500 RPM. They are not recommended for daily drivers. A steel cam and steel tappets are recommended for this combination.

12 Valve Spring Compressor Tool
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12 Valve Spring Compressor Tool

$99.00
12-Valve Spring Compressor Tool – Simplify Valve Work on Your 5.9L Cummins Make valve spring maintenance a breeze with our 12-Valve Spring Compressor Tool, specifically...
Hamilton Cams Valve Springs
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12 Valve Dual Valve Springs

$599.00

The 12-valve dual spring kit includes retainers and 10-degree locks for builds needing more spring capacity than a single-spring setup. Have your machine shop verify installed height and review the valve-stem seal requirements below.

Compare the spring options

12-valve engines

The 155 lb beehive springs include retainers and locks and are listed for moderate cams and stock-size valves. For larger valves, more lift or operation above 4,500 RPM, review the dual spring kit. Its installed height and valve-stem seal setup need particular attention.

24-valve engines

The 103 lb springs are listed for builds up to 4,500 RPM; tool steel retainers are sold separately. The 110 lb competition springs are intended for higher-RPM use and are not recommended for daily drivers. Hamilton recommends a steel cam and steel tappets for that combination.

Check the whole combination

Use the exact product’s guidance for installed height, cam lift and valve size. If you are running a conversion kit, follow that kit’s spring requirements before selecting an upgrade. Send us your engine and cam details if the combination is unclear.