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
The S&S Cycle V124 Long Block Engine delivers uncompromising power and reliability for your custom build or upgraded Evolution Big Twin. Built with premium components and meticulous attention to detail, this engine is engineered to provide exceptional performance and longevity. Upgrade your ride with the legendary S&S Cycle V124.
Description
This S&S Cycle V124 Long Block Engine is designed as a bolt-in solution for '84-'99 Evolution Big Twin engines and '70-'99 custom chassis equipped with an alternator-style primary. The specially machined cylinder heads allow the use of a stock length manifold, while the engine is designed to accommodate both EFI and carburetor setups. The crank and case are machined for a crank position sensor, providing compatibility with modern ignition systems. This long block features S&S cylinder heads, S&S 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. All these features combine to provide a powerful and reliable 124 cubic inch engine. The engine is made in the USA to exacting standards. To unlock the full potential of this powerhouse, a performance ignition and carburetor are required.
Features & highlights
- Unleash exceptional power with the 124" displacement.
- Experience enhanced performance with the included 640 camshaft.
- Enjoy peace of mind with the high-volume, high-pressure oil pump.
- Benefit from improved starting with electric compression releases.
- Ensure durability with forged pistons and rocker arms.
- Designed for easy installation in Evolution Big Twin or custom chassis.
- Proudly made in the USA with premium components.
Technical specifications
- Brand: S&S Cycle
- Displacement: 124"
- Bore Size: 4-1/8"
- Stroke Length: 4-5/8"
- Compression Ratio: 10.8:1
- Camshaft: 640
- Piston Material: Forged
- Crankpin Diameter: 1.671"
- Wristpin Diameter: 0.927"
- Type: Long Block
- Color/Finish: Chrome, Natural
Important to know
This engine requires a performance ignition and performance carburetor for optimal operation. Carburetor re-jetting will be necessary. This is a long block engine; additional components may be required for complete installation.
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
310-1160
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.

