Valve Kit / Boost Valve Kit / Gm 4L60E / 4L65E / Early Style / .470" Dia. / Oe Ratio / O-ring Style

Sonnax Boost Valve Kit for GM 4L60E, 4L60, 4L65E Transmissions

Restore proper line pressure and eliminate boost valve-related issues in your GM transmission with this Sonnax Boost Valve Kit. Designed as an early-style, O-ring style replacement with a .470" diameter and OE ratio, this kit directly addresses worn or sticking boost valves that can cause low line pressure, slipping, and delayed engagement. Manufactured by Sonnax, a trusted name in transmission hard parts, this kit is engineered for a precise fit and reliable performance.

Key Features

• Early-style boost valve kit with .470" diameter and OE ratio
• O-ring style design for improved sealing and pressure control
• Manufactured by Sonnax for superior quality and durability
• Direct replacement for worn or faulty boost valves
• Helps restore correct line pressure and shift feel

Compatibility

This Sonnax boost valve kit is compatible with Chevrolet and Chevrolet/GM vehicles equipped with 4L60, 4L60E, and 4L65E transmissions. Please verify your transmission type and valve style before ordering.

Why Choose This Part?

When you need a dependable fix for boost valve problems, this Sonnax kit delivers OE-level performance without the guesswork. Its precision engineering and high-quality materials make it a smart choice for rebuilders and DIYers alike. Order now and get your transmission shifting right again.