S&S Cycle Stroker 131 ci Cylinder Kit 4.250" Bore
S&S Cycle Stroker 131 ci Cylinder Kit 4.250" Bore
About this product
About this product
Unleash formidable power and performance with the S&S Cycle Stroker 131 ci Cylinder Kit. Engineered for motorcycle enthusiasts demanding top-tier engine upgrades, this high-performance cylinder kit transforms your ride with a significant boost in displacement and compression.
Description
Experience a dramatic increase in your motorcycle's output with this premium S&S Cycle Stroker 131 cubic inch cylinder kit. Designed for a straightforward bolt-on installation, this kit features an impressive 4.250" bore and a 4.625" stroke length, delivering an aggressive 11.0:1 compression ratio. This combination ensures explosive power and improved torque across the RPM range. Crafted with an updated profile that maintains a stock 4.840" bolt pattern, it seamlessly integrates with your existing stock crankcases, eliminating the need for complex modifications. The cylinders come in a striking black granite finish with highlighted fins, not only enhancing performance but also adding a custom aesthetic to your engine. Proudly Made in the USA, this big bore cylinder kit represents S&S Cycle's commitment to quality, durability, and unparalleled performance for your motorcycle.
Features & Highlights
- Massive Displacement Upgrade: Boosts your engine to a powerful 131 cubic inches with an optimized 4.250" bore, delivering significant horsepower and torque gains.
- High-Performance Compression: Achieves an aggressive 11.0:1 compression ratio for enhanced combustion efficiency and a more responsive throttle.
- Seamless Bolt-On Installation: Engineered with an updated profile and stock 4.840" bolt pattern, ensuring direct compatibility with stock crankcases for an easier upgrade path.
- Premium American Craftsmanship: Proudly Made in the USA, guaranteeing superior materials, precision manufacturing, and long-lasting reliability.
- Striking Aesthetic: Features a sophisticated black granite finish with highlighted fins, adding a custom, high-end look to your motorcycle engine.
Technical Specifications
- Model: Stroker
- Style: Bolt-On
- Units: Kit
- Bore Size: 4.250"
- Color/Finish: Highlighted Fins, Black Granite
- Displacement: 131 cubic inches
- Stroke Length: 4.625"
- Compression Ratio: 11.0:1
- Vendor Part Number: 910-0764A
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
Specifications
910-0764A
Highlighted Fins, Black Granite
Stroker
Cylinder Kit
Bolt-On
4,25"
11.0:1
131"
4,625"
381 mm
254 mm
482.6 mm
Kit
Reviews


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.
Based in Denmark
Fast customer support
Over 100.000 Products
2-Year Full Warranty
Your peace of mind is our priority. Every product in our shop comes with a comprehensive 2-year warranty, so you can hit the road with full confidence.
Support in Danish, Swedish, German & English
Whether you are upgrading your exhaust or choosing a new helmet, our team of seasoned riders is ready to provide professional guidance for your specific bike.
Free Shipping Over 200€ (EU)
Shop your favorite gear without worrying about extra costs. We offer free shipping on all orders over 200€ (EU), ensuring your parts reach you safely and affordably.
Authorized Parts Europe Dealer
As a certified Parts Europe supplier, we guarantee 100% authentic, high-quality motorcycle parts and accessories directly from the world's leading manufacturers.

