Description
Replace that worn stock engine with a purpose-built long block that delivers substantial low-end torque and reliable street performance. The S&S T124LC’s 10.2:1 compression ratio prioritizes real-world rideability over peak horsepower, making it the smart choice for touring and performance applications where usable power matters more than dyno numbers. You’ll get factory-backed reliability with a 2-year warranty and Made in USA craftsmanship—no core exchange, no excuses.
This is a complete long block engine ready for your fuel and ignition systems. Installation requires an oil line kit (sold separately), and compatibility with 99-05 style Harley-Davidson cylinder heads means you’ll work with proven architecture. The Easy Start gear drive cams reduce starter load, while the high-flow oil pump and specially machined heads ensure consistent cooling and proper manifold fitment with stock-length intake runners.
- Displacement: 124 cu. in.
- Bore: 4-1/8″
- Stroke: 4-5/8″
- Compression: 10.2:1
- S&S forged pistons (dish, 11cc)
- Gear drive cams (585 profile)
- S&S TC3 oil pump
- S&S forged rocker arms
- T2 crankcase
- Stock Twin Cam 96 bolt pattern
- Gloss black rocker covers
- Large cooling fins
- 2-year manufacturer warranty
- Made in USA
- Oil line kit required (separate)
- Not compatible with Softail models
- Not recommended for Tri Glide (3-wheel models)
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