Sonnax Extra Wide Intermediate Band 77700-01K Fit 4L60, 4L60-E, 4L65-E, 4L70-E
4L60, 4L60-E, 4L65-E, 4L70-E Extra Wide Intermediate Band Part No. 77700-01K Kevlar® Material Ideal for 4×4, heavy duty and commercial use in GM 4L60, 4L60-E, 4L65-E and 4L70-E units, Sonnax extra wide intermediate band 77700-01K is 15% wider (.34″) than the OE band and provides 15% more holding capacity. The band also features a 60% thicker case anchor, reducing the chance of band failure under severe conditions. The Sonnax band is a drop-in replacement part, with no modifications to the drum required. Using a new drum when installing a wider band is highly recommended. Kevlar lining material features the same benefits as later-model, high-energy materials. While the shifts may not be as firm as with the red lining, oftentimes overall durability is better, including in extreme applications.15% More holding capacity60% Thicker case anchor design reduces band failure