
Specifications
- Brand
- S&S Cycle
- Part #
- 33-2021
- UPC
- 33-2021

S&S Cycle 39-53 BT Splined Pinion Shaft Assembly
$208.12
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S&S Cycle 39-53 BT Splined Pinion Shaft Assembly
Key Features
- Fits 1939-1953 Big Twin models.
- Compatible with S&S E carburetors or stock flywheels.
- Splined pinion shaft assembly for drivetrain.
Product Details
S&S Cycle is well-known for making performance engine parts for Harley-Davidson motorcycles. This splined pinion shaft assembly is a solid option for Big Twin models from 1939 to 1953.
This assembly is designed to work with either S&S E carburetors or stock flywheels, making it a versatile replacement or upgrade part. It's a well-built component that helps ensure smooth power transfer in your drivetrain.
If you're working on a Big Twin from this era, this pinion shaft assembly is a direct fit for the specified applications.
Specifications
- Brand
- S&S Cycle
- Manufacturer Part #
- 33-2021
- UPC
- 33-2021
Frequently Asked Questions
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S&S Cycle 39-53 BT Splined Pinion Shaft Assembly



