Stage II Power Performance Upgrade Kit

$379.99
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92500047

FINAL SALE, NO RETURNS

Stage II Power Performance Upgrade Kit 

Description:
Unlock the next level of performance for your Harley-Davidson with the Stage II Power Performance Upgrade Kit. Designed to deliver a major boost in acceleration, mid-range power, and throttle response, this kit pairs upgraded cams and tuning with the precision of Harley’s engineering. Whether you’re after stronger roll-on power for highway passes or more punch from stoplights, Stage II offers a perfect balance of everyday rideability and race-inspired performance.

Features:

  • Genuine Harley-Davidson engineered Stage II performance upgrade

  • Optimized camshaft profiles for improved torque and horsepower

  • Enhanced mid-range acceleration and throttle response

  • Compatible with factory electronics and emissions standards

  • Requires calibration update (dealer or authorized tuner) after installation

  • Designed for reliable, long-term performance gains

Performance Gains:

  • Up to 15–20% increase in horsepower (varies by model and exhaust/intake setup)

  • Noticeably quicker throttle response and smoother power delivery

Fitment:

  • Fits select Milwaukee-Eight 107 and 114 engines (Touring, Softail, and select Trike models).

  • Model-specific kits are available; always verify part number 92500047 matches your engine and year before purchase.

  • Compatible with factory Stage I upgrades for intake and exhaust.

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