Description
Quick Change Gear Set – 8500 Series – Set 20A – 10 Spline – 4.12 Ratios 5.30 / 3.20 – 4.86 Ratios 6.25 / 3.78 – Steel – Polished – Each
SKU: WIN8520A
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⏱️ Estimated Shipping: 1-3 days
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Original price was: $128.16.$116.51Current price is: $116.51.
On backorder
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| Weight | 6.6 lbs |
|---|---|
| Dimensions | 8.8 × 4.9 × 1.9 in |
| Spline | 10.0 |
| Set Number | 20A |
| Gear 1 Tooth Count | 21.0 |
| Gear 2 Tooth Count | 27.0 |
| 4:12 Ring And Pinion Low Ratio | 3.2 |
| 4:12 Ring And Pinion High Ratio | 5.3 |
| 4:57 Ring And Pinion Low Ratio | 3.55 |
| 4:57 Ring And Pinion High Ratio | 5.88 |
| 4:86 Ring And Pinion Low Ratio | 3.78 |
| 4:86 Ring And Pinion High Ratio | 6.25 |
| Spur Ratio | 1.286 |
| 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 | 8520A |
Quick Change Gear Set – 8500 Series – Set 20A – 10 Spline – 4.12 Ratios 5.30 / 3.20 – 4.86 Ratios 6.25 / 3.78 – 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 |
$139.98 DHL Express |
| UK (London) | 5-7 business days |
$150.31 DHL Express |
| Australia (Sydney) | 5-7 business days |
$158.99 DHL Express |
| Germany (Berlin) | 5-7 business days |
$154.02 DHL Express |
Kit
Yes
Yes
Bolt On
Yes
Each
1/2-20 in
Steel
Zinc
Plated
Rubber
Each
Yes
Yes
Steel
Plug N Play
Plastic
Orange / Black
Natural
Kit
Each
Intake Manifold
Bolt on
Aluminum
Natural
Kit
Yes
Timing Chain and Gear Sets and Components25
Chain Length Shorter than OE
Performance Series
Cap
Ford V8
Black / Silver
Classic / Challenger
Steel
Steel
Polished
Polished
Pair
Yes
Steel
Zinc
Plated
Each
3 AN
Each
Racing
Standard
Non Resistor
Copper
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