What is the main purpose of a crankpin?

A crankpin connects the connecting rod to the crankshaft. It's a critical component that transfers the power generated by combustion to the rotating crankshaft, ultimately sending power to the rear wheel.

Does this crankpin come with any installation hardware?

This listing is for the crankpin itself. It's recommended to consult the S&S Cycle installation instructions or a service manual for details on any additional hardware or specific installation procedures required.

What does the '41-81 BT' in the part description refer to?

The '41-81 BT' typically refers to the Big Twin engine models that S&S Cycle has historically supported, indicating a range of engine designs from 1941 through 1981 that this part is compatible with, specifically within the fitment years listed.

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Trusted Since 1957

Est. 1957

S&S Cycle 41-81 BT 1.250in Tapered Crankpin

Specifications

Brand: S&S Cycle
Part #: 34-2007
UPC: 34-2007

S&S Cycle 41-81 BT 1.250in Tapered Crankpin

Name: S&S Cycle 41-81 BT 1.250in Tapered Crankpin
Brand: S&S Cycle
Price: 165.67 USD
Availability: InStock

$165.67

On Backorder

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Fits 1977-1981 Harley-Davidson FXS Low Rider. This is a 1.250in tapered crankpin from S&S Cycle, a solid option for engine work.

Key Features

Fits 1977-1981 Harley-Davidson FXS Low Rider, 1980-1981 FLHS Electra Glide Sport, 1980-1981 FLT Tour Glide, and 1980-1981 FXWG Wide Glide.
This is a 1.250-inch tapered crankpin.
Manufactured by S&S Cycle, a popular name in V-twin engine performance.
Designed as a direct replacement for the stock crankpin.

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Will this fit your vehicle?

Product Details

This is a 1.250-inch tapered crankpin from S&S Cycle, designed for specific Harley-Davidson Big Twin engines from 1977 to 1981. If you're rebuilding or working on the crankshaft assembly for your FXS Low Rider, FLHS Electra Glide Sport, FLT Tour Glide, or FXWG Wide Glide from these years, this part is a direct replacement for the stock crankpin.

S&S Cycle is well-known for its performance engine components, and this crankpin is built to handle the demands of these classic V-twin engines. The 1.250-inch taper is a specific dimension that ensures a proper fit and secure connection within the crankshaft assembly, which is crucial for smooth engine operation and longevity. Proper installation of this component is key to ensuring the reliability of your engine rebuild.