S&s Cycle V124 Long Block Engine
S&s Cycle V124 Long Block Engine
In stock
-
Estimated delivery: Feb 03 - Feb 07
About this product
About this product
Unleash the ultimate power and performance with the S&S Cycle V124 Long Block Engine. This powerhouse is engineered to deliver unmatched torque and horsepower, transforming your ride into a high-performance machine. Experience the difference that precision engineering and top-quality components make.
Description
The S&S Cycle V124 Long Block Engine is designed as a bolt-in solution for '84-'99 Evolution Big Twin motorcycles or '70-'99 custom chassis with alternator-style primary. This engine features specially machined cylinder heads that accommodate a stock length manifold, allowing you to utilize your existing carburetor (re-jetting is required). Compatible with both stock and aftermarket EFI, carburetor, or air cleaner systems, this engine offers versatility and ease of installation. The crank and case are meticulously machined for a crank position sensor, ensuring accurate engine management. Built with S&S cylinder heads, valve springs, forged rocker arms, a 640 cam, a three-piece flywheel assembly, a 1.671" diameter crankpin, 0.927" wristpins, a high-volume high-pressure oil pump, electric compression releases, and forged pistons, this engine is built to last and perform. Proudly made in the USA, the S&S V124 Long Block delivers unparalleled reliability and power.
Features & highlights
- Transforms your motorcycle into a high-performance machine.
- Allows use of existing carburetor (re-jetting required).
- Compatible with stock and aftermarket EFI, carburetor, and air cleaner setups.
- Ensures accurate engine management.
- Built for durability and maximum performance.
- Delivers unmatched torque and horsepower.
- Proudly made in the USA.
Technical specifications
- Brand: S&S Cycle
- Type: Long Block
- Displacement: 124"
- Bore Size: 4.125"
- Stroke Length: 4.625"
- Compression Ratio: 10.8:1
- Camshaft: 640 Cam
- Piston Material: Forged
- Crankpin Diameter: 1.671"
- Wristpin Diameter: 0.927"
- Color/Finish: Black
Important to know
Requires a performance ignition and performance carburetor. Designed for '84-'99 Evolution Big Twin or '70-'99 custom chassis with alternator-style primary.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
S&S CYCLE
310-1158
Engine
4-1/8"
10.8:1
124"
Forged
4-5/8"
640 Camshaft
Long Block
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

