USA Standard Gear ZIKGM8.5-S-28 Spider Gear Kit

If you're looking for a reliable and cost-effective way to restore your differential's performance, the USA Standard Gear ZIKGM8.5-S-28 spider gear kit is an excellent choice. Designed specifically for GM 8.5-inch, 28-spline open differentials, this kit provides OEM replacement quality without breaking the bank.

What's Included?

• Two side gears
• Two pinion gears
• Cross pin shaft
• Cross pin bolt
• Spider gear thrust washers

With all these components included, you'll have everything you need for a complete and hassle-free installation. Whether you're doing a rebuild or just replacing worn-out parts, this kit has you covered.

Fitment

This spider gear kit is compatible with a wide range of classic GM vehicles, including:

• Buick Apollo (1973-1975)
• Buick Electra (1971-1989)
• Buick Regal (1973-1987)
• Buick Riviera (1975-1978)
• Chevrolet Camaro (1970-1981)
• Chevrolet Impala (1971-1985)
• GMC C/K 1500 (1979-1986 & 1988-1990)
• Oldsmobile Cutlass (1970-1977)
• Pontiac Firebird (1970-1981)
• And many more!

It's important to note that this kit does not fit 8.6-inch carriers with casting numbers 1073 or 7875. If you're unsure about your differential size, the 8.5-inch carrier features two large openings, while the 8.6-inch has one large and one small opening.

Warranty and Technical Notes

For peace of mind, this spider gear kit comes with a one-year warranty against manufacturer defects, ensuring that your investment is protected.

The ZIKGM8.5-S-28 is a fantastic choice for those who want to maintain or enhance the performance of their classic GM vehicles. With its comprehensive components and straightforward installation process, you'll be back on the road in no time, enjoying the smooth and reliable performance that you expect from your ride.