Sonnax 4L60 4L60E 4L65-E & 4L70-E Pinless Accumulator Piston Kit
Product ID: 3765236
🔧Pinless design eliminates leakage
⚙️Steel balls plug pin bore securely
🛡️Dual seals for airtight bore stability
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⚡ Shift Like a Pro: Pinless Power for Flawless Performance
The Sonnax 4L60/4L60E/4L65-E/4L70-E Pinless Accumulator Piston Kit features a patented pinless design with dual seals and steel ball plugs to eliminate pin bore leakage and piston wear. This upgrade stabilizes the piston, prevents cocking, and significantly improves shift quality in GM transmissions prone to burnt clutches and bands. Trusted by professionals and DIYers alike, it delivers smoother, more reliable shifts with an easy installation.
| ASIN | B00BCN9Z5A |
| Best Sellers Rank | #66,404 in Automotive ( See Top 100 in Automotive ) #34 in Automotive Replacement Transmission Hard Parts |
| Brand | Sonnax |
| Customer Reviews | 4.7 4.7 out of 5 stars (544) |
| Date First Available | February 7, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.76 ounces |
| Item model number | WO161131 |
| Manufacturer | Sonnax Industries, Inc. |
| Manufacturer Part Number | 77998-03K |
| OEM Part Number | 62-77998-03K |
| Package Dimensions | 8.27 x 5 x 1.1 inches |
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