Performance Rated Accumulator Spring Kit Part No. 36948-18K
Requires:
36948-12 (Recommended)
Ford E4OD and 4R100 accumulator springs can break, weaken or collapse, causing long, soft shifts, particularly in towing and heavy-duty applications. Recalibrate shift feel with Sonnax performance rated accumulator spring kit 36948-18K.
Best in heavy-duty and towing applications
Gives quicker and firmer 1-2, 2-3 and 3-4 shifts
Recalibrates shift feel
For best results, use in conjunction with Sonnax line pressure modulator valve 96948-01K for heavy-duty/high performance applications.