S&S Steel Rotary Breather Gear Kit SS33-4253 for Big Twin 1948-Early 1977
$364.88
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S&S Steel Rotary Breather Gear Kit SS33-4253 for Big Twin 1948-Early 1977
$364.88
Upgrade your engine's crankcase breathing system with the S&S Standard Steel Rotary Breather Gear Kit. Engineered as a robust direct replacement for OEM plastic breather gears, this steel unit provides superior dimensional stability, particularly under extreme operating temperatures.
Featuring larger diameter holes and an integrated welded-in screen, it optimizes airflow and significantly enhances oil scavenging from the flywheel cavity. The kit includes precision spacing shims to ensure accurate end play and seamless installation.
Key Features
| Brand | S&S |
| Manufacturer | S&S Cycle |
| Manufacturer Part Number | 33-4253 |
| Part Number | SS33-4253 |
| Product Type | Rotary Breather Gear Kit |
| Material | Steel |
| Size | Standard |
| Condition | New |
| Country of Origin | USA |
| Weight | 0.3 kg |
Highlights
- Direct standard size replacement for factory plastic breather gears
- Durable steel construction ensures dimensional stability at high temperatures
- Welded-in screen and larger diameter holes improve air evacuation and oil scavenging
- Includes necessary spacing shims for proper fitment
- Made in the USA
Compatibility
Fits Harley-Davidson Big Twin engines from 1948 to Early 1977 (Standard bore size).
What's included
- 1 x Standard Steel Rotary Breather Gear
- Spacing Shims
Frequently asked questions
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