S&S CYCLE SKU: T14-1020346

S&S Cycle Power Package with 4.32" Big Bore Cylinders - Harley Touring, Softail & Dyna

$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, high-performance solution for your Harley-Davidson engine, combining 4.32" big bore cylinders with a matched camshaft, cam plate, and oil pump. This integrated kit is designed to deliver significant horsepower gains reliably, streamlining the upgrade process by providing all major components in one package.

Why riders pick this

  • 4.32" big bore cylinders for substantial displacement
  • Matched camshaft and cam plate for peak performance
  • Integrated oil pump for enhanced lubrication
  • Complete cam chest package for high-performance builds

For riders chasing serious power, the S&S Cycle Power Package eliminates the guesswork and component matching typically involved in a high-performance engine build. This kit brings together S&S Cycle's meticulously engineered 4.32" big bore cylinders, a camshaft optimized for increased displacement, a robust cam plate, and an upgraded oil pump. It's a comprehensive approach to uncorking the potential of your Harley's V-twin.

Integrated Performance for Your V-Twin

  • Includes 4.32" big bore cylinders for increased displacement
  • Features a matched camshaft and cam plate for optimal timing
  • Integrated high-volume oil pump ensures proper lubrication
  • Complete cam chest package simplifies performance builds

Ready for the Dyno

Installing a Power Package like this is a commitment to performance. While the kit provides a complete set of major components, successful installation and optimal engine performance will require careful attention to detail and professional expertise. Expect to pair this upgrade with a high-quality fuel management system and a professional dyno tune to fully realize its potential and ensure your Harley runs flawlessly.

Specifications

  • Brand: S&S Cycle
  • Manufacturer Part #: 310-1110D
  • Category: Engine Components / Piston Sets - Powersports
  • Weight: 44.19 lb

Common questions

What engine models does this Power Package fit?

This Power Package is designed for Harley-Davidson models including Touring, Softail, and Dyna platforms. We recommend confirming your specific year and engine type using the Shop by Bike tool before purchase.

Is this a complete bolt-on kit?

This kit includes cylinders, a camshaft, cam plate, and oil pump – all major cam chest components needed for a high-performance build. Additional gaskets, fasteners, and fluids will be required for a complete installation.

Do I need a tuner after installing this kit?

Yes, installing this Power Package will significantly change your engine's airflow and fuel requirements. A fuel management system and a professional dyno tune are essential to optimize performance and ensure proper engine operation.

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.
BRANDS&S Cycle
TYPEPiston Sets - Powersports
SKUT14-1020346
WEIGHT44.19 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
4 RATINGS
5★ 4
4★ 0
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Aug 28, 2023

Everything you expect from S&S

Have installed this kit on multiple bikes. S&S knows what they’re doing.

— BRETT M
✓ 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!

— Anonymous
✓ VERIFIED
Mar 8, 2020

5 Stars

— Anonymous
✓ VERIFIED
Jun 6, 2021

I didn't get it yet,can't wait too get it in my bike, than ill leave a review

— Anonymous