S&S CYCLE SKU: T14-663357

S&S Cycle Camshafts for 103ci Easy Engines - Harley Dyna

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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.

Boost the performance of your Harley-Davidson Dyna Easy 103 cubic inch engine with S&S Cycle camshafts, engineered for a straightforward bolt-in upgrade. These cams are precisely designed to deliver peak power in the 3000–6000 rpm range, providing a noticeable improvement in your ride. They are compatible with both stock and S&S CNC-ported cylinder heads.

Why riders pick this

  • Bolt-in installation for 103ci engines
  • Works with stock or S&S CNC ported heads
  • Peak power in 3000–6000 rpm range
  • Rated for 9.7:1 to 10.5:1 compression
  • Enhances engine power and responsiveness

These S&S Cycle camshafts are specifically developed for Harley-Davidson Dyna Easy engines with 103 cubic inches, targeting optimal performance within a 9.7:1 to 10.5:1 compression ratio range. This engineering ensures a powerful, usable powerband that enhances both daily riding and spirited runs. The bolt-in installation makes this a practical and effective performance upgrade for your V-twin.

Enhanced Power and Versatility

  • Designed for bolt-in installation in 103 cubic inch Dyna Easy engines
  • Works effectively with both stock and S&S CNC ported cylinder heads
  • Engineered to deliver peak power in the 3000–6000 rpm range
  • Rated for engines with 9.7:1 to 10.5:1 compression ratios
  • Provides a significant upgrade in engine responsiveness

Maximize Your Dyna Easy's Potential

Whether your Dyna Easy 103ci is running stock heads or has been upgraded with S&S CNC-ported cylinder heads, these camshafts are tailored to unlock greater performance. While they offer bolt-in convenience, optimizing your fuel mapping with a tuner is highly recommended to fully realize the power gains. Consider pairing these cams with a high-flow air intake and a performance exhaust system for a comprehensive power upgrade.

Specifications

  • Brand: S&S Cycle
  • Manufacturer Part #: 330-0354
  • Weight: 6.1 lb
  • Category: Engine Components / Camshafts

Common questions

Will these S&S Cycle cams work with stock cylinder heads?

Yes, these camshafts are designed to work well with stock, unported cylinder heads and are also optimized for use with S&S CNC ported heads.

What compression ratio do I need for these cams?

These cams are specifically designed for 103 cubic inch engines with compression ratios from the stock 9.7:1 up to 10.5:1.

Do I need any other modifications to run these cams?

These are bolt-in cams, but optimizing your fuel mapping with a tuner is recommended to maximize performance, especially depending on your air intake and exhaust setup.

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
TYPECamshafts
SKUT14-663357
WEIGHT6.1 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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Jun 23, 2024

Keep it

I bought the T111 for my 1999 Road king. Installation was straight forward. for I had asked a Harley shop what would cost for install they quoted $ 2000.00 to much for me. I figured if Iam going to pay that kind of money for install i would buy a ride on lift and do it myself. The motor was worth the cost no issues so far would have liked to choose my own cam's I have 12000 miles on it. Had to upgrade swingarm bushing's and install grade 8 front motor mount bolts this motor has torque you are going to like it

— Mike S