Find any Amazon.com product's price history and lowest-ever price. Simply paste the product link (URL) or search by name in the box above. You'll get a full price chart, historical data, and all current deals. Track smarter with the best Amazon Price Tracker in the USA.
x
Sorry, Something went wrong!
USA Standard Gear (ZG GM8.5-323) Ring & Pinion Gear Set for GM 8.5 Differential, 3.23 gear ratio
AMAZON.COM
Price
$ 259.86
Last price was updated on: 19th Dec 2025, 05:40 AM
Pricing Analytics & Buying Assistance
Price Score:
Good
Poor
Average
Good
Excellent
Current Price
$259.86
$77.02
Lowest
$311.46
Highest
Buying Advice:
Good – Worth buying. 75% chance price goes up. Buy soon.
Good – Worth buying. 75% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$77.02
12th Dec 2017
Highest Ever
$311.46
11th Nov 2021
Average Price
$194.41
307 data points
Last 3M Low
$259.86
10th Dec 2025
Last 6M Low
$210.66
6th Aug 2025
Last 12M Low
$175.40
13th Jan 2025
Price History Chart
Product Variants
Product Technical Information
| Product Code | B0078UAGKY |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Brand Name | USA Standard Gear |
| Rating | 4.4 ( 1072 ratings ) |
| Category | Differential Rings & Pinions |
| Manufacturer | USA Standard Gear |
| Model Number | ZG GM8.5-323 |
| Item Dimensions | 16 x 12 x 6 inches |
Frequently Asked Questions
-
What is the lowest price ever for this product?The lowest price for USA Standard Gear ZG GM85-323 Ring amp Pinion Gear Set for GM 85 Differential 323 gear ratio was $77.02 on 12th Dec 2017. This is the best recorded deal so far.
-
What is the highest price ever for this product?The highest price for USA Standard Gear ZG GM85-323 Ring amp Pinion Gear Set for GM 85 Differential 323 gear ratio was $311.46 on 11th Nov 2021. Prices have dropped since then.
-
What is the average price of this product?The average price for USA Standard Gear ZG GM85-323 Ring amp Pinion Gear Set for GM 85 Differential 323 gear ratio is $194.41 (307 data points). This helps you compare current deals.
-
What is the lowest price in the last 3 months?In the last 3 months, USA Standard Gear ZG GM85-323 Ring amp Pinion Gear Set for GM 85 Differential 323 gear ratio reached a low of $259.86 on 10th Dec 2025. Recent price trends may help you decide when to buy.
-
Should I buy this product now?Worth buying. The price is good, but you may wait for a better deal. 75% chance price goes up. Price may increase soon.