Description
Quick Change Gear Set – 8500 Series – Set 21A – 10 Spline – 4.12 Ratios 6.32 / 2.69 – 4.86 Ratios 7.45 / 3.17 – Steel – Polished – Each
SKU: WIN8521A
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⏱️ Estimated Shipping: 1-3 days
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Original price was: $128.16.$116.51Current price is: $116.51.
In stock
8 in stock
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| Weight | 6.73 lbs |
|---|---|
| Dimensions | 8.8 × 4.9 × 1.9 in |
| Spline | 10.0 |
| Set Number | 21A |
| Gear 1 Tooth Count | 15.0 |
| Gear 2 Tooth Count | 23.0 |
| 4:12 Ring And Pinion Low Ratio | 2.69 |
| 4:12 Ring And Pinion High Ratio | 6.32 |
| 4:57 Ring And Pinion Low Ratio | 2.98 |
| 4:57 Ring And Pinion High Ratio | 7.01 |
| 4:86 Ring And Pinion Low Ratio | 3.17 |
| 4:86 Ring And Pinion High Ratio | 7.45 |
| Spur Ratio | 1.533 |
| Heat Treaded | Yes |
| Alloy | 8620.0 |
| Material | Steel |
| Color | Polished |
| Finish | Polished |
| Quantity | Pair |
| Variant | Yes |
| Variant Group | Quick Change Gears12 |
| Variant Column | Set Number |
| Brand | |
| Condition | |
| Type | |
| Manufacturer Part Number | 8521A |
Quick Change Gear Set – 8500 Series – Set 21A – 10 Spline – 4.12 Ratios 6.32 / 2.69 – 4.86 Ratios 7.45 / 3.17 – Steel – Polished – Each
Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.
Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.
| Destination | Est. Time | Cost |
|---|---|---|
| Canada (Toronto) | 5-7 business days |
$141.38 DHL Express |
| UK (London) | 5-7 business days |
$151.93 DHL Express |
| Australia (Sydney) | 5-7 business days |
$160.79 DHL Express |
| Germany (Berlin) | 5-7 business days |
$155.72 DHL Express |
Steel
Black
Paint
Each
Pneumatic
1.437 in
Steel
Black
Oxide
Each
Steel Core Laminate
Set of 4
0.0625 in
Stock
1.75 in
Kit
Marine Conversion Set
Yes
Yes
Yes
Stud
12 Point
Yes
11/16 in
8740
Super Stock 4000 Series
Yes
Yes
Spiral Core
Socket
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