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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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
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Steel
Black
Oxide
Each
Yes
Rubber
Black
Natural
Each
Yes
Jug
Square
9.5 in
9.5 in
16 in
Kit
Yes
Piston Rings155
Bore (standard)
Performance
ST Bump Stop Springs
Bump Stop
2.125 in
1.96 in
Steel
Yes
Roller
Double
Standard
66.0
Aluminum
Black
Paint
Each
Side Cover
In-Channel Ventvisor
Yes
In Channel
Yes
Plastic
Bugflector II
Yes
Plastic
Dark Smoke
Each
Each
Yes
GM B-Body
Spindles44
Driver / Passenger Side
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