Description:
Heavy-duty International 1825540C1 valve spring set (6 pcs) designed for reliable exhaust valve operation in Navistar DT-series diesel engines. Built to OEM specifications, these springs maintain proper valve timing, ensure consistent compression, and deliver long-lasting durability in high-performance and heavy-duty applications.
Features:
Part Number: 1825540C1
Component Type: Exhaust Valve Spring
Set Quantity: 6 Springs
OEM Manufacturer: Navistar International
Material: Heat-treated alloy steel
Spring Type: Single heavy-duty coil spring
Coil Direction: Left-hand wind
Number of Coils: ~6.9 turns
Free Length: ~2.580 in
Outer Diameter: ~1.482 in
Inner Diameter: ~1.068 in
Wire Diameter: ~0.207 in
Closed Pressure: ~145 lbs @ 1.980"
Open Pressure: ~262 lbs @ 1.530"
Solid Height: ~1.370 in
Brand: International
