Yukon Gear & Install Kit Package For 8.875in GM 12T in a 3.73 Ratio Fabrication>Filler Necks 7L Cummins Thermal Bypass Valve

7L Cummins Thermal Bypass Valve Kit is built to last a lifetime with a durable black anodized finish and our Mishimoto Lifetime Guarantee

Switch caps and switch bases that come with all new Air Locker(TM) s and Air Compressors are now available as one complete replacement unit

The roto-molded housing is made out of cross-linked polyethylene red

The 600gsm PVC outer material provides a rugged exterior that is not only ideal for recovery situations

Yukon Gear & Install Kit Package For 8.875in GM 12T in a 3.73 Ratio Fabrication>Filler Necks 7L Cummins Thermal Bypass ValveYukon Gear Kits combine all the parts you need for your re gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state of the art design, advanced heat treating techniques, and leading edge quality testing processes to ensure the