✓ VERIFIED
Aug 28, 2023
Everything you expect from S&S
Have installed this kit on multiple bikes. S&S knows what they’re doing.
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S&S CYCLE
SKU: T14-1020387
S&S Cycle Power Package 4.32-inch Big Bore Engine Kit - Harley-Davidson Engines
$3,497.95
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About S&S Cycle
S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.
The S&S Cycle Power Package is a complete engine build kit, combining 4.32-inch big bore cylinders with matched pistons, cam, cam plate, and oil pump. This system is engineered to deliver high-performance horsepower gains on Harley-Davidson engines as a bolt-together solution, eliminating the need for custom fabrication.
Why riders pick this
- Complete engine build kit for comprehensive upgrade
- 4.32-inch big bore cylinders for maximum displacement
- Includes matched pistons, cam, and cam plate
- Upgraded oil pump ensures superior lubrication
- Full cam chest components for integrated performance
- Designed for reliable, high-output power
For riders seeking a comprehensive and reliable performance upgrade for their Harley-Davidson, the S&S Cycle Power Package delivers. This isn't just a collection of parts; it's a meticulously engineered system designed to work together seamlessly. With 4.32-inch big bore cylinders and a complete cam chest package, you're getting a significant boost in displacement and power, all in a bolt-on package.
Integrated High-Performance System
- 4.32-inch big bore cylinders for increased engine displacement
- Matched piston, cam, and cam plate set ensures optimal performance
- Included oil pump for proper lubrication and engine health
- Complete cam chest components for a full, integrated upgrade
- Designed for reliable high-output power without custom fabrication
Effortless Power Gains
The S&S Cycle Power Package simplifies the process of achieving serious power gains. By providing all the necessary components as a matched set, it eliminates guesswork and ensures compatibility, making installation more straightforward than piecing together individual parts. This kit is optimized for particular engine families, so always confirm your specific model year and engine platform compatibility with S&S Cycle to ensure perfect fitment and maximum performance.
Specifications
- Brand: S&S Cycle
- Manufacturer Part #: 310-1053D
- Category: Engine Components / Piston Sets - Powersports
- Weight: 44.19 lb
Common questions
What's included in the Power Package?
The S&S Cycle Power Package is a comprehensive kit that includes cylinders, pistons, cam, cam plate, oil pump, and all necessary cam chest components for a complete engine build.
Do I need a professional to install this?
Power Package installation requires engine disassembly and reassembly. While a skilled home mechanic might tackle it, professional installation is generally recommended to ensure proper clearances, torque specifications, and overall engine integrity.
Will this kit require a dyno tune?
Yes, due to the significant changes in engine displacement and cam profile, a professional dyno tune will be essential to optimize fuel mapping and ignition timing for peak performance and reliability.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | S&S Cycle |
| TYPE | Piston Sets - Powersports |
| SKU | T14-1020387 |
| WEIGHT | 44.19 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
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✓ VERIFIED
Apr 13, 2022
100 kit is sick! 10/5/1 compression is perfect for the 585 cams. Not going to burn the tires unless you bounce it, but at 2.7 K it pulls like a freight train. Super fun! Thanks S&S!
✓ VERIFIED
Mar 8, 2020
5 Stars
✓ VERIFIED
Jun 6, 2021
I didn't get it yet,can't wait too get it in my bike, than ill leave a review