4L80E Transmission Line Pressure Boost Valve Kit Sonnax 4L80E-LB1

Brand: Sonnax Type: Pump pressure boost kit Interchange Part Number: S34507ERK-1 Manufacturer Warranty: Yes Fitment Type: Direct Replacement Items Included: Line Pressure Booster Valve Kit Manufacturer Part Number: 4L80E-LB1  Universal Fitment: Yes Vintage Part: No Performance Part: Yes 4L80-E, 4L85-E Transmission Line Pressure Booster KitPart No. 4L80E-LB1 Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Our pressure regulator springs are approximately 10% stronger than OE and more conservative in impact than other aftermarket kit springs. Large ratio boost valves provide higher pressure incrementally and when it is needed the most. The combination of these springs and valves in a Sonnax kit gives you the best of both worlds: a modest pressure increase at the low end, with a high-end pressure that is