Factory 12 valve springs let the valves float past about 45 psi or 3200 rpm, which costs power and risks the engine. Replace them with the Industrial Injection 24G801 150 lb springs. It fits 1989-1998 Dodge with the 5.9L 12 valve Cummins.

Seat pressure: 150 lb, good up to 4000 rpm and 60 psi of boost. No core charge applies to this part.

Key Features & Benefits

• In the box: Intake and exhaust valve springs.
• Best match: Trucks running over 45 psi boost or 3200 rpm.

Technical Specifications

• Manufacturer/Brand: Industrial Injection
• Part Number/SKU: 24G801 (iis24G801)
• Product Type: 150LB Valve Springs
• Truck Compatibility: 1989-1998 Dodge with the 5.9L 12 valve Cummins
• Engine Platform: 5.9L 12V Cummins
• Core Requirement: No core required

Vehicle Fitment & Technical Installation Notes

Fits 1989-1998 Dodge with the 5.9L 12 valve Cummins.

Installation Tip: Plan the swap with a valve spring compressor.