Sonnax 77763-01 3-4 Clutch Boost Spring Kit (10 Pack)

The Sonnax 77763-01 3-4 clutch boost spring kit provides a precision-manufactured, direct replacement solution for GM automatic transmission rebuilds and repairs. This kit includes 10 high-quality boost springs designed specifically for 4L60, 4L60-E, 4L65-E, and 4L70-E transmissions, as well as the 700R4 from 1988 and later.

Key Features:

• Precision manufactured from high-quality spring materials for consistent performance
• Low-cost direct replacement alternative to OE springs
• Engineered specifically for GM 4L60 series and 700R4 transmissions
• Helps speed up clutch release during 3-4 band engagement
• Package of 10 springs (retainer not included)
• Compatible with 1988 and later transmission models

These boost springs play a critical role in transmission performance by accelerating clutch release when the band engages, preventing clutch slippage and potential damage over time. The Sonnax 77763-01 springs are manufactured to exacting standards, ensuring reliable operation across all GM vehicles equipped with these popular automatic transmissions.