B-Series 3-4 Synchronizer Sleeve - SYNCHROTECH TEST
Honda/Acura B-series 3-4 Sleeve Y80 S80 YS1 Y21 S21 S4C
SPUSA brings you another option, improved quality, reduce price, on parts you need. The 3-4 slider features a precise clearance that will insure smooth fitment, crisp engagement each time. The heart and soul of any engine is it's transmission. Your only as good as your weakest link.
- Reduces 3rd and 4th gear lock out
- Improved resistance to gear pop-outs
- OEM technology Improved material
- Direct OEM drop-in Replacement
Fits ALL B-Series Transmissions 1992-2001