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Brand: RCD Performance
Part Number: RCD-1730880003
6.0L / 6.4L Ford Power Stroke Heavy Duty 120# Valve Spring Set
For over a decade these springs have been proven to be the go-to in Power Stroke high-rev, high boost applications.
We designed these springs to offer 40 more lbs of seat pressure while keeping the open pressure nearly stock. This ...
$449.99
Brand: XDP Mfg
Part Number: XD388
The XDP Heavy Duty 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 ...
$399.95
New
Brand: Power Driven Diesel
Part Number: 50000000097
Power Driven Diesel offers this set of 8 high-performance drop-in valve springs for the 8v Cummins cylinder head. These lightweight valve spring assemblies are designed for maximum valve control up to 5,000 rpm, perfect for a hot street Cummins diesel. The springs feature 175 lbs. of seat pressure a...
$283.33
Brand: Power Driven Diesel
Part Number: 52002219002
Set of 12 high performance drop-in valve springs for the 12v Cummins cylinder head. These light-weight valve spring assemblies are designed for maximum valve control up to 5000 RPM, perfect for a hot street Cummins diesel. Springs feature 175 lbs of seat pressure, and 375 lbs open pressure. These st...
$390.00
Brand: Fleece Performance
Part Number: FPE-34797
Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from “super clean” Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss. These springs have a seat pressure o...
$499.99
Brand: XDP Mfg
Part Number: XD390
Control the valvetrain in your modified 1998.5-2024 Dodge 5.9L/6.7L Cummins with the XDP Heavy Duty High Boost Valve Spring Set XD390. The XD390 Valve Spring Kit is designed to help eliminate valve float due to elevated cylinder pressures and higher boost levels. Common upgrades like aftermarket tu...
$399.95
Brand: RCD Performance
Part Number: RCD-1745880001
6.7L Ford Power Stroke Direct Drop In High Rev Valve Spring Set110Lb Seat pressureIdeal for use with modified VGT and high revving single or compound turbo systems.RCD: RCD-1745880001...
$499.99
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