S&s Cycle 128" Power Package For M8
S&s Cycle 128" Power Package For M8
Available in stock (11)
About this product
About this product
Upgrade your Milwaukee-Eight engine with the S&S Cycle 128" Power Package. This big bore kit delivers a significant performance boost, transforming your 114" or 117" engine into a powerful 128" powerhouse. Experience increased torque and horsepower without the need for case machining.
Description
The S&S Cycle 128" Power Package is engineered for bolt-on performance. Featuring 4.250" bore cylinders and high-compression 11.1:1 forged pistons, this kit maximizes combustion efficiency for substantial power gains. The included S&S oil pump and cam plate assembly ensures superior oil delivery and scavenging, enhancing engine reliability and longevity. The adjustable pressure relief valve allows for fine-tuning while installed. S&S premium tappets and hard-anodized tappet cuffs provide improved tappet stability, particularly in high-lift, high-RPM conditions. Paired with S&S 550 cams and valve springs capable of handling up to 0.605" lift, this kit provides a comprehensive upgrade for serious performance enthusiasts. The black granite finish with highlighted fins offers a distinctive look under the hood, combining style and performance.
Features & highlights
- Transforms your 114"/117" M8 engine to a potent 128" without case machining.
- Features 4.250" bore cylinders with 11.1:1 compression ratio forged pistons for maximum power.
- Includes S&S oil pump and cam plate for enhanced oil delivery and scavenging.
- S&S premium tappets and tappet cuffs improve stability at high RPMs.
- Equipped with S&S 550 cams and valve springs, supporting up to 0.605" lift.
- Adjustable pressure relief valve allows fine-tuning while installed.
- Complete kit includes all necessary gaskets, bearings, and hardware for a seamless installation.
Technical specifications
- Brand: S&S Cycle
- Displacement: 128"
- Bore Size: 4.250"
- Stroke Length: 4.500"
- Compression Ratio: 11.1:1
- Cam Drive Type: Chain
- Cooling System: Oil Cooled
- Type: Engine Kit
- Finish: Black Granite with Highlighted Fins
Important to know
This kit is designed as a bolt-on upgrade for 114" and 117" Milwaukee-Eight engines. Professional installation is recommended to ensure optimal performance and reliability.
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
310-1109B
Performance Kit
4,250"
11,1:1
128"
4,500"
Chain
Engine
Kit
Oil Cooled
Reviews


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