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4L60E Boost Valve and Spring Kit .500 by Sonnax
DESCRIPTION
Kits available for either early- (long) or late- (short) style boost valves;Achieve shorter shifts and increased torque capacity without creating low-speed harshness;Large Ratio Boost Assembly Short, Stronger Pressure Regulator Spring, O-Rings (2)
- 4L60E Boost Valve and Spring Kit .500