Wiseco Valve Kit for Kawasaki KX250F (SVKB4338)

The WISECO SVKB4338 Valve Kit is a complete valvetrain solution for Kawasaki KX250F engines, supplying matched intake and exhaust valves along with precision valve springs. Designed for riders, builders, and technicians seeking dependable engine service components, this kit combines OEM-quality valve manufacturing with spring rates engineered to accommodate the additional loads associated with steel valves. The result is a carefully matched package intended to support consistent valvetrain operation and long-term reliability.
The intake and exhaust valves are manufactured by leading OEM suppliers to provide reliable fit, function, and durability. Precision valve springs are calculated specifically for use with the included steel valves, helping maintain proper valve control under demanding operating conditions. By pairing the components in one application-focused kit, WISECO helps simplify installation and supports a balanced approach to engine maintenance or rebuilding.
Feature: Complete package with intake and exhaust valves and springs
Feature: Matched steel valves and springs for an engineered valvetrain solution
Feature: OEM-quality valves manufactured by leading OEM suppliers
Feature: Precision valve springs with rates calculated for the added loads of steel valves
Feature: Designed to support extended service life and increased reliability
Feature: Includes moly paste for cam lobes and buckets
Compatible with the Kawasaki KX250F, the WISECO SVKB4338 Valve Kit is suitable for restoring key valvetrain components during scheduled service or performance-oriented engine work. The included moly paste provides assembly lubrication for cam lobes and buckets, helping protect contact surfaces during initial operation. Verify vehicle year and application requirements before installation to ensure proper compatibility.

Features:

• Complete package with intake and exhaust valves and springs

• Matched steel valves and springs for an engineered valvetrain solution

• OEM-quality valves manufactured by leading OEM suppliers

• Precision valve springs with rates calculated for the added loads of steel valves

• Designed to support extended service life and increased reliability

• Includes moly paste for cam lobes and buckets

Ships from Parts Unlimited.