VALVE SPRINGS / RETAINERS

CYLINDER HEAD PARTS DIAGRAM 89-98 CUMMINS 5.9L 12V ENGINE. This diagram was obtained from Cummins using the serial number of a 1997 Cummins 12v engine. Please check with us if you are unsure of product fitment for your vehicle. 

There comes a point as rpm, valve lift, spring pressures and valve size increase, that a single spring is no longer up to the task of controlling the valves. This is when it is time to use a dual spring. Our springs are made in the USA. They come with...

Change the valve springs in your 1989-1998 Dodge 5.9L Cummins with the XDP 12V Valve Spring Compressor Tool XD312. Whether you're a technician or an enthusiast, using the right tool for the right job saves you time, money, and frustration. XDP's Valve...

Seat Pressure 165 lbs, comes with retainers and locks. Optional locks are available for .075″ higher installed height If you are over 30lbs of boost/drive pressure or over 3500rpm with your 12valve, you are experiencing a few negative things...

Optimize your diesel engine performance with Interstate Mcbee OEM quality reproduction parts, designed specifically for models made between 1989 to present. With a robust construction and superior fitting, these durable parts effectively match the...

Optimize your diesel engine performance with Interstate Mcbee OEM quality reproduction parts, designed specifically for models made between 1989 to present. With a robust construction and superior fitting, these durable parts effectively match the...

Cummins 1989-1998 12V Valve Spring Compressor Tool The first ever valve spring compressor designed for the Cummins 12 valve. The wait is over. Tork Tool has successfully designed the first tool to compress the valve springs on your Cummins 12V, at...

The Cummins Valve Spring 3926700 is used primarily on Euro II Automotive 5.9 liter B engines. This Genuine Cummins 3926700 OEM valve spring is a direct factory replacement for the 1989-1998 Cummins 5.9L 12v engine.

BD's High RPM Mechanical Governor & Delivery Valve Kits can give you the power and torque you've been looking for. The High RPM Mechanical Governor Kit increases the Cummins engine speed to 3,000 or 4,000 rpm, reducing gear shifting and providing a...

FEATURES Set of 6 springs that can be used on either the exhaust or intake valves in 12-valve 5.9L Cummins engines Replacement exhaust valve springs to allow for 60psi of back pressure with Exhaust Brakes Heavy-duty...

What’s included: 178/208 Camshaft (fits 89-2018 Cummins) Heavy duty pushrods (500-750 hp) 165 Valve Springs Retainers and Locks Lifters/tappets Information: RPM Range: Idle-3000 Drops EGT 200-300 Better fuel economy 2-3 MPG+ Increased bottom end...

Upgrade your engine's performance with the Cummins 3900250 Valve Spring Keeper. Suitable for 89-98 5.9L 12V engines, this component is crafted to enhance your driving experience and extend your vehicle's lifespan. Say goodbye to engine problems as this...

The CPP C14010 Valve springs fit the 1989-1998 Cummins 5.9L 12v Diesel and the 89-98 Cummins 4bt engines. These valve springs are capable of handling engine speeds of up to 4500rpm, providing improved performance. We recommend them only for guys running...